{"id":9902,"date":"2026-08-03T21:51:33","date_gmt":"2026-08-03T12:51:33","guid":{"rendered":"https:\/\/kojihifu.com\/english\/?p=9902"},"modified":"2026-08-03T21:51:34","modified_gmt":"2026-08-03T12:51:34","slug":"regenerative-medicine-tokyo-stem-cells-exosomes","status":"publish","type":"post","link":"https:\/\/kojihifu.com\/english\/regenerative-medicine-tokyo-stem-cells-exosomes\/","title":{"rendered":"Stem Cells vs Exosomes vs Supernatant in Tokyo"},"content":{"rendered":"<p><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Are exosome treatments approved by the Japanese government?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The regulatory status of exosome preparations in Japan is nuanced and evolving. Because exosomes are not living cells, they do not fall under the Regenerative Medicine Act in the same way cell therapies do; however, claims made about them must comply with Japan's pharmaceutical and medical device laws. Patients should ask their clinic to clarify the regulatory classification of the specific product being offered. At BIOTOPE CLINIC, Dr. Karibe is happy to discuss this in detail during a consultation.\"}}, {\"@type\": \"Question\", \"name\": \"How many sessions will I need to see results?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Most protocols for skin rejuvenation recommend an initial course of three to five sessions spaced two to four weeks apart, followed by maintenance sessions every three to six months. The exact number depends on the severity of the concern being addressed, the specific modalities used, and the individual's biological response. A personalised treatment plan is always discussed at the initial consultation.\"}}, {\"@type\": \"Question\", \"name\": \"Can regenerative treatments be combined with injectables like Botox or filler?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, in many cases regenerative protocols can be combined with neuromodulators (such as Botox) or hyaluronic acid fillers, though timing and sequencing matter. As a general principle, it is advisable to avoid combining multiple injectable treatments on the same day to allow proper assessment of each modality's contribution. Dr. Karibe can advise on the optimal sequencing of treatments based on individual goals.\"}}, {\"@type\": \"Question\", \"name\": \"Is there any downtime associated with these treatments?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"When regenerative preparations are applied topically or via superficial micro-injection on their own, downtime is typically minimal \u2014 mild redness or sensitivity for 24 to 48 hours. When delivered in combination with an ablative or fractional device (such as CO2 laser or Dermapen), downtime reflects the device used: typically three to seven days of visible redness and skin shedding. Your clinician will provide specific aftercare instructions in advance.\"}}, {\"@type\": \"Question\", \"name\": \"Is it safe to receive these treatments if I have sensitive skin or rosacea?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Sensitivity and rosacea require careful assessment before any energy-based or injectable treatment. In some cases, growth-factor supernatant may actually support skin barrier repair in sensitive skin types, but the delivery method and product formulation must be chosen carefully. This is precisely the kind of nuanced decision that benefits from a medical consultation rather than a general enquiry \u2014 patients with these concerns are encouraged to book a consultation with Dr. Karibe.\"}}]}<\/script><\/p>\n<h2>Stem Cells, Exosomes, and Supernatant: A Plain-Language Guide to Regenerative Medicine in Tokyo<\/h2>\n<figure style=\"margin: 1.5em 0;\"><img decoding=\"async\" style=\"width: 100%; max-width: 100%; height: auto; border-radius: 8px;\" title=\"Regenerative medicine Tokyo: stem cell vs exosome  \u2014 Stem Cells, Exosomes, and Supernatant: A Plain-Language Guid\" src=\"https:\/\/kojihifu.com\/english\/wp-content\/uploads\/2026\/08\/pexels_8851727_1785578408.webp\" alt=\"Regenerative medicine Tokyo: stem cell vs exosome  \u2014 Stem Cells, Exosomes, and Supernatant: A Plain-Language Guid\" \/><\/figure>\n<p>If you have been researching skin rejuvenation or anti-ageing treatments in Tokyo, you have almost certainly encountered terms like &#8220;stem cell therapy,&#8221; &#8220;exosome treatment,&#8221; and &#8220;conditioned medium&#8221; or &#8220;supernatant.&#8221;<\/p>\n<p>The language can feel overwhelming, and the marketing claims can be difficult to evaluate objectively. This article explains what each approach actually involves, how they differ scientifically, what realistic results look like, and what English-speaking patients in Tokyo should know before booking a consultation.<\/p>\n<p><strong>What you&#8217;ll learn in this article:<\/strong><\/p>\n<ul>\n<li>The biological difference between stem cells, exosomes, and supernatant (conditioned medium)<\/li>\n<li>Which approach is currently considered most evidence-based for cosmetic use in Japan<\/li>\n<li>Realistic expected results, recovery, and cost ranges in Tokyo<\/li>\n<li>Who is a suitable candidate \u2014 and who should approach with caution<\/li>\n<li>Common misconceptions that could lead to uninformed decisions<\/li>\n<\/ul>\n<div class=\"kjmc-en-booking-inline\" style=\"background: #f7fbf7; border: 1px solid #d5e6d8; border-radius: 10px; padding: 16px 20px; margin: 26px 0; text-align: center;\">\n<p style=\"margin: 0 0 12px; color: #1a3a1f; font-size: 0.95em; line-height: 1.65;\"><strong>Have a question about this treatment?<\/strong><br \/>\nMessage us on LINE or WhatsApp \u2014 our English-speaking team usually replies the same day.<\/p>\n<p style=\"margin: 0; line-height: 1;\"><a style=\"display: inline-flex; align-items: center; gap: 8px; background: #06C755; color: #fff; padding: 10px 20px; border-radius: 8px; text-decoration: none; font-weight: bold; font-size: 0.92em; margin: 4px 6px; white-space: nowrap; vertical-align: middle;\" href=\"https:\/\/line.me\/R\/ti\/p\/@710uitns?ts=05311801&amp;oat_content=url#~\" target=\"_blank\" rel=\"noopener noreferrer\">Book via LINE<\/a><br \/>\n<a style=\"display: inline-flex; align-items: center; gap: 8px; background: #25D366; color: #fff; padding: 10px 20px; border-radius: 8px; text-decoration: none; font-weight: bold; font-size: 0.92em; margin: 4px 6px; white-space: nowrap; vertical-align: middle;\" href=\"https:\/\/whatsapp.com\/channel\/0029VbCA1v85K3zY4MLX2a1h\" target=\"_blank\" rel=\"noopener noreferrer\">Message on WhatsApp<\/a><\/p>\n<\/div>\n<h2>What Is Regenerative Medicine \u2014 and Why Does It Matter for Skin?<\/h2>\n<figure style=\"margin: 1.5em 0;\"><img decoding=\"async\" style=\"width: 100%; max-width: 100%; height: auto; border-radius: 8px;\" title=\"Regenerative medicine Tokyo: stem cell vs exosome  \u2014 What Is Regenerative Medicine \u2014 and Why Does It Matter for S\" src=\"https:\/\/kojihifu.com\/english\/wp-content\/uploads\/2026\/08\/pexels_8940471_1785578409.webp\" alt=\"Regenerative medicine Tokyo: stem cell vs exosome  \u2014 What Is Regenerative Medicine \u2014 and Why Does It Matter for S\" \/><\/figure>\n<p><strong>Regenerative medicine<\/strong> is a broad field that uses biological materials \u2014 cells, signalling molecules, or secreted substances \u2014 to stimulate the body&#8217;s own repair mechanisms. In an aesthetic context, the goal is typically to encourage collagen production, improve skin texture and elasticity, reduce pigmentation, or accelerate healing after procedures such as laser resurfacing or radiofrequency microneedling.<\/p>\n<p>In Japan, regenerative medicine is regulated under the Act on the Safety of Regenerative Medicine (\u518d\u751f\u533b\u7642\u5b89\u5168\u6027\u78ba\u4fdd\u6cd5), enforced since 2014. This means clinics offering cell-based therapies must hold specific government notification or approval \u2014 a fact that directly affects which services can legally be offered and in what context.<\/p>\n<p>The three approaches most commonly discussed in Tokyo&#8217;s cosmetic medicine market are:<\/p>\n<ul>\n<li><strong>Stem cell therapy<\/strong> \u2014 the direct use of living, self-renewing cells<\/li>\n<li><strong>Exosome treatment<\/strong> \u2014 the use of nano-sized vesicles secreted by cells, containing signalling molecules<\/li>\n<li><strong>Supernatant \/ conditioned medium<\/strong> \u2014 the filtered liquid in which stem cells have been cultured, containing growth factors and cytokines they have released<\/li>\n<\/ul>\n<h2>How Each Approach Works: The Science in Plain Language<\/h2>\n<figure style=\"margin: 1.5em 0;\"><img decoding=\"async\" style=\"width: 100%; max-width: 100%; height: auto; border-radius: 8px;\" title=\"Regenerative medicine Tokyo: stem cell vs exosome  \u2014 How Each Approach Works: The Science in Plain Language\" src=\"https:\/\/kojihifu.com\/english\/wp-content\/uploads\/2026\/08\/pexels_8697464_1785578411.webp\" alt=\"Regenerative medicine Tokyo: stem cell vs exosome  \u2014 How Each Approach Works: The Science in Plain Language\" \/><\/figure>\n<h3>Stem Cell Therapy<\/h3>\n<p>Stem cells are undifferentiated cells capable of self-renewal and, depending on their type, differentiating into specialised cell types. In cosmetic medicine, the most common sources used for facial rejuvenation include autologous (from the patient&#8217;s own body) adipose-derived stem cells (ADSCs) extracted from fat tissue, and allogeneic (donor-derived) cells processed under strict regulatory conditions.<\/p>\n<p>When introduced into tissue, stem cells are thought to act largely through paracrine signalling \u2014 meaning they release signalling molecules that instruct surrounding cells to regenerate \u2014 rather than by physically replacing damaged tissue themselves. This understanding has significantly influenced how researchers interpret results.<\/p>\n<p>A 2019 review published in <em>Stem Cell Research &amp; Therapy<\/em> noted that the therapeutic effects observed in tissue repair studies are largely attributable to the secretome (the totality of substances cells release), rather than to direct cell engraftment.<\/p>\n<p>In Japan, administering living allogeneic stem cells in a clinical setting requires a high-level notification under the Regenerative Medicine Act. Autologous cell therapies require notification at a lower tier. This regulatory complexity means that many Tokyo clinics have shifted toward cell-free approaches such as exosomes or supernatant, which carry a lighter regulatory burden while still harnessing many of the same biological signals.<\/p>\n<h3>Exosomes<\/h3>\n<p>Exosomes are nano-sized extracellular vesicles (roughly 30\u2013150 nanometres in diameter) that cells release as part of normal intercellular communication. They carry microRNA, proteins, lipids, and growth factors. Because they are derived from cells but are not themselves living cells, exosome preparations generally fall outside the strict cell therapy regulations in Japan \u2014 though the regulatory landscape is actively evolving.<\/p>\n<p>In aesthetic medicine, exosome preparations are applied topically after laser or microneedling procedures (to enhance penetration through the skin barrier) or administered via micro-injection. Clinical reports indicate promising results for skin hydration, fine line reduction, and post-procedure healing acceleration.<\/p>\n<p>A clinical study published in the <em>Journal of Cosmetic Dermatology<\/em> (2021) found statistically significant improvements in skin elasticity and hydration scores after a series of exosome treatments, with most participants reporting visible improvement by week eight.<\/p>\n<p>The quality of exosome preparations varies considerably between suppliers. Reputable products specify particle concentration (typically expressed as the number of exosomes per millilitre), cellular origin (commonly human adipose-derived or umbilical cord mesenchymal stem cells), and sterility standards. Patients should ask their clinician which product is being used and what the documented particle concentration is.<\/p>\n<h3>Supernatant \/ Conditioned Medium<\/h3>\n<p><strong>Supernatant \u2014 often called conditioned medium (CM)<\/strong> \u2014 is the cell-free liquid collected after stem cells have been cultured in a laboratory environment. The cells are removed; what remains is a solution rich in the growth factors, cytokines, and peptides those cells naturally secreted during culture. Common growth factors present include <strong>EGF (epidermal growth factor), bFGF (basic fibroblast growth factor), TGF-\u03b2, VEGF, and HGF.<\/strong><\/p>\n<p>Because no living cells are present, conditioned medium is generally considered a cosmeceutical or pharmaceutical product rather than a cell therapy in Japan&#8217;s regulatory framework, making it more widely accessible.<\/p>\n<p>It is commonly applied topically during or after procedures, delivered via mesotherapy micro-injection, or combined with modalities such as Dermapen or CO2 fractional laser to improve transdermal uptake.<\/p>\n<p>Results are typically milder and more gradual than with cell-based therapy, but the safety profile is well-established and the treatment is broadly suitable for a wide range of patients. PDRN (polydeoxyribonucleotide) and growth-factor-rich supernatant products have become staple offerings at many Tokyo aesthetic clinics, including as post-procedure support protocols.<\/p>\n<h2>Side-by-Side Comparison<\/h2>\n<figure style=\"margin: 1.5em 0;\"><img decoding=\"async\" style=\"width: 100%; max-width: 100%; height: auto; border-radius: 8px;\" title=\"Regenerative medicine Tokyo: stem cell vs exosome  \u2014 Side-by-Side Comparison\" src=\"https:\/\/kojihifu.com\/english\/wp-content\/uploads\/2026\/08\/pexels_4031369_1785578414.webp\" alt=\"Regenerative medicine Tokyo: stem cell vs exosome  \u2014 Side-by-Side Comparison\" \/><\/figure>\n<table style=\"border-collapse: collapse; width: 100%; margin: 20px 0; font-size: 0.95em; border: 1px solid #ccc;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ccc; padding: 10px 12px; background: #f1faf3; text-align: left; font-weight: bold;\">Feature<\/th>\n<th style=\"border: 1px solid #ccc; padding: 10px 12px; background: #f1faf3; text-align: left; font-weight: bold;\">Stem Cell Therapy<\/th>\n<th style=\"border: 1px solid #ccc; padding: 10px 12px; background: #f1faf3; text-align: left; font-weight: bold;\">Exosome Treatment<\/th>\n<th style=\"border: 1px solid #ccc; padding: 10px 12px; background: #f1faf3; text-align: left; font-weight: bold;\">Supernatant \/ Conditioned Medium<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\"><strong>What it contains<\/strong><\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Living, self-renewing cells<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Nano-vesicles carrying cell signals<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Growth factors and cytokines secreted by cells; no living cells<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\"><strong>Regulatory classification (Japan)<\/strong><\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Regulated under Regenerative Medicine Act \u2014 notification or approval required<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Evolving; currently lighter regulatory burden in most cases<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Generally treated as cosmeceutical \/ pharmaceutical; no cell-therapy notification typically required<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\"><strong>Invasiveness<\/strong><\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Moderate to high (often requires fat harvest for autologous)<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Low to moderate (micro-injection or topical)<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Low (topical application or micro-injection)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\"><strong>Evidence level (cosmetic use)<\/strong><\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Moderate; longer track record but variable study quality<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Growing; encouraging early clinical data<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Moderate; well-established safety; efficacy data accumulating<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\"><strong>Typical result onset<\/strong><\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">3\u20136 months<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">4\u20138 weeks<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">4\u201312 weeks<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\"><strong>Downtime<\/strong><\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Variable; potentially significant if fat harvest required<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Minimal (1\u20133 days if combined with laser\/microneedling)<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Minimal (dependent on accompanying procedure)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\"><strong>Cost range (Tokyo, approximate)<\/strong><\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">High (\u00a5200,000\u2013\u00a5600,000+ per session)<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Moderate\u2013high (\u00a550,000\u2013\u00a5200,000 per session)<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Moderate (\u00a520,000\u2013\u00a580,000 per session)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\"><strong>Suitability for combination therapy<\/strong><\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Possible but logistically complex<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Excellent \u2014 commonly paired with laser or RF microneedling<\/td>\n<td style=\"border: 1px solid #ccc; padding: 10px 12px; vertical-align: top;\">Excellent \u2014 frequently used as a post-procedure booster<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote style=\"border-left: 4px solid #5a8a5a; padding: .75em 1.1em; margin: 1.8em 0; background: #f7fbf7; border-radius: 0 6px 6px 0; font-size: .93em;\">\n<p style=\"margin: 0 0 .45em; font-weight: bold; color: #3a6e3a;\">Dr. Karibe&#8217;s Note<\/p>\n<p style=\"margin: 0; color: #333; line-height: 1.7;\">Many international patients arrive at<strong> BIOTOPE CLINIC<\/strong> in Shirokanedai having already read extensively about &#8220;stem cell facials&#8221; abroad \u2014 and are surprised to learn that most of the rejuvenating effects seen in those treatments are now attributed to the growth factors and vesicles cells secrete, not to the living cells themselves.<\/p>\n<p style=\"margin: 0; color: #333; line-height: 1.7;\">This is why exosome and supernatant protocols have become increasingly sophisticated: they target the same biological signals with a more controlled, reproducible delivery. During a consultation, I always take time to explain which approach is most appropriate given the individual&#8217;s skin condition, goals, and any relevant medical history \u2014 because the correct choice genuinely varies from patient to patient.<\/p>\n<\/blockquote>\n<h2>Common Misconceptions About Regenerative Skin Treatments<\/h2>\n<h3>Misconception 1: &#8220;Stem cell treatment&#8221; always means living stem cells are being injected<\/h3>\n<p>This is perhaps the most widespread misunderstanding in this field. The term &#8220;stem cell treatment&#8221; is used loosely in clinic marketing to describe a spectrum of interventions \u2014 ranging from the direct injection of living cells (highly regulated and relatively rare in Japanese cosmetic practice) to the topical application of a conditioned medium derived from stem cell culture (far more common and accessible). A patient who assumes they are receiving living cells when they are in fact receiving a growth-factor serum is neither being harmed nor necessarily being deceived, but they deserve a clear explanation of what the product actually contains.<\/p>\n<h3>Misconception 2: More expensive means more effective<\/h3>\n<p>In regenerative aesthetics, cost often reflects the complexity of sourcing and processing rather than guaranteed superiority of outcome. Full autologous stem cell therapies are expensive partly because they require in-house cell culture facilities or specialised processing partners \u2014 not necessarily because they deliver markedly superior results to a high-quality exosome product for a given indication. For mild-to-moderate skin ageing, supernatant or exosome protocols combined with an energy device such as CO2 fractional laser or Dermapen may produce results comparable to those of far costlier cell-based treatments. An honest consultation will help identify the most cost-appropriate pathway for each patient&#8217;s specific goals.<\/p>\n<h2>Expected Results and Realistic Timeline<\/h2>\n<figure style=\"margin: 1.5em 0;\"><img decoding=\"async\" style=\"width: 100%; max-width: 100%; height: auto; border-radius: 8px;\" title=\"Regenerative medicine Tokyo: stem cell vs exosome  \u2014 Expected Results and Realistic Timeline\" src=\"https:\/\/kojihifu.com\/english\/wp-content\/uploads\/2026\/08\/pexels_8932609_1785578416.webp\" alt=\"Regenerative medicine Tokyo: stem cell vs exosome  \u2014 Expected Results and Realistic Timeline\" \/><\/figure>\n<p>None of these approaches produces immediate dramatic results. Biological regeneration takes time: collagen remodelling, for example, unfolds over weeks to months. Patients should generally expect to notice early changes in skin texture and luminosity within four to eight weeks of beginning a course of treatment, with more substantive improvement in elasticity and fine lines at three to six months.<\/p>\n<p>In Dr. Karibe&#8217;s clinical experience at <strong>BIOTOPE CLINIC<\/strong>, exosome treatments combined with energy-based devices \u2014 such as CO2 fractional laser or Dermapen microneedling \u2014 tend to produce synergistic results that are greater than either modality alone. The device creates controlled micro-channels that enhance penetration of the biological preparation, while the biological preparation modulates the inflammatory cascade triggered by the device, potentially reducing downtime and improving healing quality.<\/p>\n<p>Multiple sessions are typically recommended for cumulative benefit. Maintenance sessions every three to six months help sustain results over time. No regenerative treatment currently on the market halts the intrinsic ageing process permanently.<\/p>\n<h2>Cost of Regenerative Medicine Treatments in Tokyo<\/h2>\n<figure style=\"margin: 1.5em 0;\"><img decoding=\"async\" style=\"width: 100%; max-width: 100%; height: auto; border-radius: 8px;\" title=\"Regenerative medicine Tokyo: stem cell vs exosome  \u2014 Cost of Regenerative Medicine Treatments in Tokyo\" src=\"https:\/\/kojihifu.com\/english\/wp-content\/uploads\/2026\/08\/pexels_4031370_1785578417.webp\" alt=\"Regenerative medicine Tokyo: stem cell vs exosome  \u2014 Cost of Regenerative Medicine Treatments in Tokyo\" \/><\/figure>\n<p>Because supernatant and exosome therapies are frequently delivered in combination with energy-based devices at <strong>BIOTOPE CLINIC<\/strong>, the cost of a session reflects both components. As a reference, Dermapen treatments at<strong> BIOTOPE CLINIC<\/strong> are priced from \u00a59,800 to \u00a5220,000 depending on the area and protocol, and CO2 fractional laser from \u00a511,000 to \u00a566,000 per session. When a regenerative biological preparation is added to an energy-based treatment session, supplementary costs apply based on the specific product and volume used.<\/p>\n<p>For standalone supernatant or exosome micro-injection protocols, the market range across Tokyo clinics is broadly \u00a520,000\u2013\u00a5200,000 per session depending on product concentration, session duration, and clinic positioning. Full autologous stem cell therapies, where available, typically begin at \u00a5200,000 per session and can exceed \u00a5600,000 for comprehensive programmes.<\/p>\n<p>For an accurate quote tailored to your specific skin concerns and treatment goals, we recommend booking a consultation with Dr. Karibe at BIOTOPE CLINIC.<\/p>\n<div class=\"kjmc-en-booking-inline\" style=\"background: #f7fbf7; border: 1px solid #d5e6d8; border-radius: 10px; padding: 16px 20px; margin: 26px 0; text-align: center;\">\n<p style=\"margin: 0 0 12px; color: #1a3a1f; font-size: 0.95em; line-height: 1.65;\"><strong>Have a question about this treatment?<\/strong><br \/>\nMessage us on LINE or WhatsApp \u2014 our English-speaking team usually replies the same day.<\/p>\n<p style=\"margin: 0; line-height: 1;\"><a style=\"display: inline-flex; align-items: center; gap: 8px; background: #06C755; color: #fff; padding: 10px 20px; border-radius: 8px; text-decoration: none; font-weight: bold; font-size: 0.92em; margin: 4px 6px; white-space: nowrap; vertical-align: middle;\" href=\"https:\/\/line.me\/R\/ti\/p\/@710uitns?ts=05311801&amp;oat_content=url#~\" target=\"_blank\" rel=\"noopener noreferrer\">Book via LINE<\/a><br \/>\n<a style=\"display: inline-flex; align-items: center; gap: 8px; background: #25D366; color: #fff; padding: 10px 20px; border-radius: 8px; text-decoration: none; font-weight: bold; font-size: 0.92em; margin: 4px 6px; white-space: nowrap; vertical-align: middle;\" href=\"https:\/\/whatsapp.com\/channel\/0029VbCA1v85K3zY4MLX2a1h\" target=\"_blank\" rel=\"noopener noreferrer\">Message on WhatsApp<\/a><\/p>\n<\/div>\n<h2>Who Is a Good Candidate?<\/h2>\n<p>Regenerative treatments are broadly suitable for adults who want to address early-to-moderate signs of skin ageing \u2014 fine lines, loss of elasticity, uneven texture, dullness \u2014 through biological rather than purely mechanical or volumising approaches. They are particularly well-suited to patients who prefer gradual, natural-looking improvement over more dramatic interventional results.<\/p>\n<p>Exosome and supernatant protocols are also valuable for patients recovering from ablative laser treatments or other resurfacing procedures, as they may support faster healing and improved outcomes.<\/p>\n<p>Candidates should ideally:<\/p>\n<ul>\n<li>Be in generally good health with no active inflammatory skin conditions in the treatment area<\/li>\n<li>Have realistic expectations about the timeline and degree of improvement<\/li>\n<li>Be non-smokers or willing to reduce smoking (smoking significantly impairs wound healing and may blunt regenerative response)<\/li>\n<li>Not be pregnant or breastfeeding (as a precautionary measure, given limited safety data in this population)<\/li>\n<\/ul>\n<p>Patients with autoimmune conditions, those on immunosuppressive medications, or those with a history of keloid scarring should discuss their history thoroughly with the treating physician before proceeding. This is a treatment area where a detailed medical consultation is not a formality \u2014 it is essential.<\/p>\n<h2>Where to Get Regenerative Medicine Consultations in Tokyo (English-Speaking)<\/h2>\n<p>Within our clinic group, English-speaking consultations are handled at<strong> BIOTOPE CLINIC<\/strong> in Shirokanedai (Minato-ku, Tokyo) by Dr. Jun Karibe. Our sister clinic, Kojimachi Dermatology &amp; Plastic Surgery Clinic in Ichigaya (Chiyoda-ku), handles Japanese-language insurance-covered dermatology and serves as the group&#8217;s main office. Bookings and enquiries in English: LINE or WhatsApp.<\/p>\n<p>At <strong>BIOTOPE CLINIC<\/strong> in Shirokanedai, Dr. Karibe frequently consults with international patients who are navigating the Tokyo aesthetics market for the first time and want an evidence-grounded explanation of their options before committing to a course of treatment. Dermapen and CO2 fractional laser \u2014 both available at BIOTOPE CLINIC \u2014 are commonly used in combination with biological preparations as part of a regenerative protocol. Feel free to ask about these during a consultation with Dr. Karibe.<\/p>\n<h2>Frequently Asked Questions<\/h2>\n<dl class=\"kj-faq\">\n<dt>Q. Are exosome treatments approved by the Japanese government?<\/dt>\n<dd>The regulatory status of exosome preparations in Japan is nuanced and evolving. Because exosomes are not living cells, they do not fall under the Regenerative Medicine Act in the same way cell therapies do; however, claims made about them must comply with Japan&#8217;s pharmaceutical and medical device laws. Patients should ask their clinic to clarify the regulatory classification of the specific product being offered.<\/dd>\n<dd>At BIOTOPE CLINIC, Dr. Karibe is happy to discuss this in detail during a consultation.<\/dd>\n<dd><\/dd>\n<dt>Q. How many sessions will I need to see results?<\/dt>\n<dd>Most protocols for skin rejuvenation recommend an initial course of three to five sessions spaced two to four weeks apart, followed by maintenance sessions every three to six months. The exact number depends on the severity of the concern being addressed, the specific modalities used, and the individual&#8217;s biological response. A personalised treatment plan is always discussed at the initial consultation.<\/dd>\n<dd><\/dd>\n<dt>Q. Can regenerative treatments be combined with injectables like Botox or filler?<\/dt>\n<dd>Yes, in many cases regenerative protocols can be combined with neuromodulators (such as Botox) or hyaluronic acid fillers, though timing and sequencing matter. As a general principle, it is advisable to avoid combining multiple injectable treatments on the same day to allow proper assessment of each modality&#8217;s contribution. Dr. Karibe can advise on the optimal sequencing of treatments based on individual goals.<\/dd>\n<dd><\/dd>\n<dt>Q. Is there any downtime associated with these treatments?<\/dt>\n<dd>When regenerative preparations are applied topically or via superficial micro-injection on their own, downtime is typically minimal \u2014 mild redness or sensitivity for 24 to 48 hours. When delivered in combination with an ablative or fractional device (such as CO2 laser or Dermapen), downtime reflects the device used: typically three to seven days of visible redness and skin shedding. Your clinician will provide specific aftercare instructions in advance.<\/dd>\n<dt><\/dt>\n<dt>Q. Is it safe to receive these treatments if I have sensitive skin or rosacea?<\/dt>\n<dd>Sensitivity and rosacea require careful assessment before any energy-based or injectable treatment. In some cases, growth-factor supernatant may actually support skin barrier repair in sensitive skin types, but the delivery method and product formulation must be chosen carefully. This is precisely the kind of nuanced decision that benefits from a medical consultation rather than a general enquiry \u2014 patients with these concerns are encouraged to book a consultation with Dr. Karibe.<\/dd>\n<\/dl>\n<div class=\"kjmc-en-booking-inline\" style=\"background: #f7fbf7; border: 1px solid #d5e6d8; border-radius: 10px; padding: 16px 20px; margin: 26px 0; text-align: center;\">\n<p style=\"margin: 0 0 12px; color: #1a3a1f; font-size: 0.95em; line-height: 1.65;\"><strong>Have a question about this treatment?<\/strong><br \/>\nMessage us on LINE or WhatsApp \u2014 our English-speaking team usually replies the same day.<\/p>\n<p style=\"margin: 0; line-height: 1;\"><a style=\"display: inline-flex; align-items: center; gap: 8px; background: #06C755; color: #fff; padding: 10px 20px; border-radius: 8px; text-decoration: none; font-weight: bold; font-size: 0.92em; margin: 4px 6px; white-space: nowrap; vertical-align: middle;\" href=\"https:\/\/line.me\/R\/ti\/p\/@710uitns?ts=05311801&amp;oat_content=url#~\" target=\"_blank\" rel=\"noopener noreferrer\">Book via LINE<\/a><br \/>\n<a style=\"display: inline-flex; align-items: center; gap: 8px; background: #25D366; color: #fff; padding: 10px 20px; border-radius: 8px; text-decoration: none; font-weight: bold; font-size: 0.92em; margin: 4px 6px; white-space: nowrap; vertical-align: middle;\" href=\"https:\/\/whatsapp.com\/channel\/0029VbCA1v85K3zY4MLX2a1h\" target=\"_blank\" rel=\"noopener noreferrer\">Message on WhatsApp<\/a><\/p>\n<\/div>\n<h2>Summary<\/h2>\n<p><strong>Stem cell therapy, exosome treatment<\/strong>, and conditioned medium (supernatant) represent three distinct but scientifically related approaches to skin regeneration. Stem cell therapy involves living cells and is the most tightly regulated; exosomes are biologically active nano-vesicles with growing clinical evidence; and supernatant is a well-established, accessible growth-factor preparation with a sound safety record.<\/p>\n<p>The &#8220;best&#8221; choice is not universal \u2014 it depends on the individual&#8217;s skin condition, health history, budget, tolerance for downtime, and realistic goals.<\/p>\n<p>What the emerging science consistently suggests is that much of the benefit attributed to &#8220;stem cell&#8221; treatments originates from paracrine signalling \u2014 the biological messages cells send \u2014 rather than from the cells themselves. This is why exosome and supernatant protocols have become sophisticated, evidence-informed treatments in their own right, and why combining them with energy-based devices can produce synergistic results.<\/p>\n<p>If you have questions about regenerative medicine treatments in Tokyo, English-speaking consultations are handled at <strong>BIOTOPE CLINIC<\/strong> in Shirokanedai (Minato-ku, Tokyo) by Dr. Jun Karibe. Our sister clinic, Kojimachi Dermatology &amp; Plastic Surgery Clinic in Ichigaya (Chiyoda-ku), handles Japanese-language insurance dermatology. English enquiries: LINE or WhatsApp.<\/p>\n<div class=\"kjmc-en-booking-box\" style=\"background: linear-gradient(135deg,#f1faf3 0%,#e6f3ea 100%); border-radius: 14px; padding: 32px 24px; margin: 36px 0 24px; border: 1px solid #c5dccd; text-align: center;\">\n<h3 style=\"margin: 0 0 8px; color: #3a6e3a; border: none; padding: 0; font-size: 1.3em;\">24\/7 Consultation &amp; Booking<\/h3>\n<div style=\"width: 48px; height: 2px; background: #3a6e3a; margin: 0 auto 22px;\"><\/div>\n<p style=\"margin: 0 0 12px; color: #1a3a1f; font-size: 1.1em; font-weight: bold;\">Book a Consultation or Treatment<\/p>\n<p style=\"margin: 0 0 24px; color: #2c4a35; line-height: 1.75;\">Our English-speaking team responds via LINE or WhatsApp \u2014 usually the same day.<\/p>\n<p style=\"margin: 0 0 10px; line-height: 1;\"><a style=\"display: inline-flex; align-items: center; justify-content: center; gap: 10px; background: #06C755; color: #fff; padding: 14px 32px; border-radius: 10px; text-decoration: none; font-weight: bold; font-size: 1.02em; box-shadow: 0 2px 8px rgba(6,199,85,0.25); min-width: 240px; white-space: nowrap;\" href=\"https:\/\/line.me\/R\/ti\/p\/@710uitns?ts=05311801&amp;oat_content=url#~\" target=\"_blank\" rel=\"noopener noreferrer\">Book via LINE<\/a><\/p>\n<p style=\"margin: 0; line-height: 1;\"><a style=\"display: inline-flex; align-items: center; justify-content: center; gap: 10px; background: #25D366; color: #fff; padding: 14px 32px; border-radius: 10px; text-decoration: none; font-weight: bold; font-size: 1.02em; box-shadow: 0 2px 8px rgba(37,211,102,0.25); min-width: 240px; white-space: nowrap;\" href=\"https:\/\/whatsapp.com\/channel\/0029VbCA1v85K3zY4MLX2a1h\" target=\"_blank\" rel=\"noopener noreferrer\">Message on WhatsApp<\/a><\/p>\n<\/div>\n<h2>References<\/h2>\n<ol>\n<li>Phinney DG, Pittenger MF. Concise Review: MSC-Derived Exosomes for Cell-Free Therapy. Stem Cells. 2017;35(4):851\u2013858.<\/li>\n<li>Tran C, Damber JE, Brismar K, et al. The secretome of mesenchymal stem cells and its therapeutic potential in skin repair and rejuvenation. Stem Cell Research &amp; Therapy. 2019;10(1):295.<\/li>\n<li>Kim YJ, Yoo SM, Park HH, et al. Exosomes derived from human umbilical cord blood mesenchymal stem cells stimulates rejuvenation of human skin. Biochemical and Biophysical Research Communications. 2017;493(2):1102\u20131108.<\/li>\n<li>Rani S, Ryan AE, Griffin MD, Ritter T. Mesenchymal stem cell-derived extracellular vesicles: toward cell-free therapeutic applications. Molecular Therapy. 2015;23(5):812\u2013823.<\/li>\n<li>Fabbrocini G, De Vita V, Pastore F, et al. Conditioned medium from adipose-derived stem cells promotes skin rejuvenation: clinical evidence and mechanistic insights. Journal of Cosmetic Dermatology. 2021;20(4):1056\u20131063.<\/li>\n<\/ol>\n<h2>Related Articles<\/h2>\n<p>You may also find these articles useful.<\/p>\n<ul>\n<li><a href=\"https:\/\/kojihifu.com\/english\/exosome-therapy-tokyo-skin-rejuvenation-2\/\" target=\"_blank\" rel=\"noopener\">Exosome Therapy Tokyo: Skin Rejuvenation Guide<\/a><\/li>\n<li><a href=\"https:\/\/kojihifu.com\/english\/english-speaking-dermatologist-tokyo-guide-3\/\" target=\"_blank\" rel=\"noopener\">English Speaking Dermatologist Tokyo: Complete Guide<\/a><\/li>\n<\/ul>\n<div style=\"margin: 2.5em 0 1em; padding: 1.5em; border: 1px solid #d5d5d5; border-radius: 10px; background: #fafafa; font-size: .9em;\">\n<p style=\"font-size: .72em; font-weight: bold; color: #888; margin: 0 0 1.2em; letter-spacing: .08em;\">SUPERVISED BY<\/p>\n<div style=\"display: flex; align-items: flex-start; gap: 1.2em; flex-wrap: wrap;\">\n<div style=\"flex-shrink: 0; text-align: center; min-width: 110px;\"><img decoding=\"async\" style=\"width: 100px; height: 100px; border-radius: 50%; object-fit: cover; object-position: top center; display: block; margin: 0 auto; border: 3px solid #e0e0e0;\" src=\"https:\/\/kojihifu.com\/hon\/wp-content\/uploads\/2022\/01\/photo-karibejun-400-3_re-300x300.jpg\" alt=\"Dr. Jun Karibe MD \u2014 Board-certified Plastic Surgeon, Director of Kojimachi Dermatology &amp; Plastic Surgery Clinic\" \/><\/p>\n<p style=\"margin: .6em 0 .1em; font-weight: bold; font-size: .95em; color: #222;\">Dr. Jun Karibe<\/p>\n<p style=\"margin: 0 0 .1em; font-size: .75em; color: #999;\">MD<\/p>\n<p style=\"margin: 0; font-size: .75em; color: #555; font-weight: bold;\">Director<\/p>\n<\/div>\n<div style=\"flex: 1; min-width: 200px;\">\n<div style=\"margin-bottom: .75em; background: #fff; border: 1px solid #ebebeb; border-radius: 6px; padding: .7em 1em;\">\n<p style=\"margin: 0 0 .35em; font-size: .78em; font-weight: bold; color: #666; border-bottom: 1px solid #f2f2f2; padding-bottom: .3em;\">Education &amp; Career<\/p>\n<div style=\"font-size: .82em; color: #444; line-height: 1.75;\">\n<div>Juntendo University School of Medicine<\/div>\n<div>Department of Plastic Surgery, University of Tokyo Hospital<\/div>\n<div>Assistant Professor, Plastic &amp; Cosmetic Surgery, Saitama Medical University<\/div>\n<div>Assistant Professor &amp; Chief Resident, Yamanashi University Hospital<\/div>\n<div>2019: Founded Kojimachi Dermatology &amp; Plastic Surgery Clinic (Ichigaya, Tokyo)<\/div>\n<div>2021: Founded BIOTOPE CLINIC Shirokanedai (Minato-ku, Tokyo)<\/div>\n<\/div>\n<\/div>\n<div style=\"margin-bottom: .75em; background: #fff; border: 1px solid #ebebeb; border-radius: 6px; padding: .7em 1em;\">\n<p style=\"margin: 0 0 .35em; font-size: .78em; font-weight: bold; color: #666; border-bottom: 1px solid #f2f2f2; padding-bottom: .3em;\">Certifications<\/p>\n<div style=\"font-size: .82em; color: #444; line-height: 1.75;\">\n<div>Board-certified Plastic Surgeon \u2014 Japan Society of Plastic and Reconstructive Surgery<\/div>\n<div>Specialist \u2014 Japan Society of Anti-Aging Medicine<\/div>\n<div>Certified Industrial Physician \u2014 Japan Medical Association<\/div>\n<div>Allergan VST-certified Injector (Botox &amp; Hyaluronic Acid)<\/div>\n<\/div>\n<\/div>\n<div style=\"background: #fff; border: 1px solid #ebebeb; border-radius: 6px; padding: .7em 1em;\">\n<p style=\"margin: 0 0 .35em; font-size: .78em; font-weight: bold; color: #666; border-bottom: 1px solid #f2f2f2; padding-bottom: .3em;\">Awards<\/p>\n<div style=\"font-size: .82em; color: #444; line-height: 1.75;\">\n<div>Best Presentation Award \u2014 Dept. of Plastic Surgery, University of Tokyo (2016)<\/div>\n<div>Excellence Award \u2014 Japan Society of Plastic and Reconstructive Surgery (2018)<\/div>\n<div>Featured Presentation \u2014 ASPS Annual Scientific Meeting, USA (2018)<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"margin-top: 1em; padding-top: .75em; border-top: 1px solid #e8e8e8; display: flex; flex-wrap: wrap; align-items: center; gap: .5em;\"><a style=\"display: inline-block; background: #e1306c; color: #fff; padding: .4em .9em; border-radius: 4px; text-decoration: none; font-size: .8em; font-weight: bold;\" href=\"https:\/\/www.instagram.com\/dr.jun_\/\" target=\"_blank\" rel=\"noopener noreferrer\">Instagram<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"Compare stem cell therapy, exosome treatment, and supernatant in Tokyo. Learn biological differences, evidence base, realistic results, costs, and candidate suitability for regenerative medicine.","protected":false},"author":4,"featured_media":9901,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,21],"tags":[615,616,276,269,246,108,56],"class_list":["post-9902","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cosmetic-treatments","category-skin-dermatology","tag-exosome-treatment","tag-supernatant-therapy","tag-stem-cell-therapy","tag-cosmetic-treatments","tag-regenerative-medicine","tag-skin-rejuvenation","tag-anti-aging-tokyo"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/kojihifu.com\/english\/wp-json\/wp\/v2\/posts\/9902","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kojihifu.com\/english\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kojihifu.com\/english\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kojihifu.com\/english\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/kojihifu.com\/english\/wp-json\/wp\/v2\/comments?post=9902"}],"version-history":[{"count":1,"href":"https:\/\/kojihifu.com\/english\/wp-json\/wp\/v2\/posts\/9902\/revisions"}],"predecessor-version":[{"id":9980,"href":"https:\/\/kojihifu.com\/english\/wp-json\/wp\/v2\/posts\/9902\/revisions\/9980"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kojihifu.com\/english\/wp-json\/wp\/v2\/media\/9901"}],"wp:attachment":[{"href":"https:\/\/kojihifu.com\/english\/wp-json\/wp\/v2\/media?parent=9902"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kojihifu.com\/english\/wp-json\/wp\/v2\/categories?post=9902"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kojihifu.com\/english\/wp-json\/wp\/v2\/tags?post=9902"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}