Stem Cell & Regenerative · Treatment
Vaginal Stem Cell Therapy in Seoul: What It Is and Who It Suits
Vaginal stem cell therapy is a broad term for injecting a biological product such as platelet-rich plasma, fat-derived cells or a cell-free preparation into vaginal tissue to encourage repair. It is investigational: small studies suggest some women notice less dryness or better comfort, but there are no large randomized trials and results are temporary. Somssi Women's Clinic in Gangnam explains these limits plainly and recommends surgery or hormone therapy when they are the better answer.
Medically reviewed by Dr. Yoon Ho-joo, MD, PhD, OB/GYN specialist, Somssi Women's Clinic · Last updated October 2026
At a glance
Key facts
The essentials, based on how Somssi Women's Clinic performs this procedure or answers this question. Your plan is confirmed at consultation.
- Treatment type: Regenerative injection (PRP or plasma-based) or the clinic's autologous NK immune-cell program
- Evidence status: Investigational; small studies, no large randomized trials
- Anesthesia: Topical or local for injections; none for an intravenous NK infusion
- Hospital stay: None; office-based
- Results: Variable and temporary; do not replace surgery for laxity or prolapse
- Regulation: Must comply with Korean MFDS rules; ask what is injected, its origin and approval status
- Performed by: Dr. Yoon Ho-joo, MD, PhD, OB/GYN specialist
Vaginal stem cell therapy at a glance
Regenerative injections (PRP or plasma-based) are investigational; results vary and do not replace surgery.
- vaginal stem cell therapy Korea
- regenerative gynecology
- PRP vaginal treatment
- vaginal dryness treatment
- NK cell program
- investigational therapy
- PRP / plasma-basedTreatment type
- InvestigationalEvidence
- Office-basedSetting
- Variable, temporaryResults
- Ask what is injectedProduct, origin and MFDS approval status.
- PrepareFrom your own blood where applicable.
- Inject the liningTopical or local anesthetic.
- Review honestlySurgery if laxity or prolapse is structural.
Illustration: Somssi Women's Clinic, Seoul. Schematic, not to scale; your plan is set by Dr. Yoon Ho-joo after examination.
What is vaginal stem cell therapy?
Vaginal stem cell therapy is an umbrella marketing term for injecting a biological product into the vaginal wall, the vestibule or the clitoral area to encourage tissue repair. Depending on the clinic, the product may be platelet-rich plasma (PRP), fat tissue containing stromal cells, a laboratory-cultured cell preparation, or a cell-free product such as exosomes or a growth-factor serum. These are very different things, and the words 'stem cell' are often used loosely.
The hoped-for benefits are a thicker, better-lubricated vaginal lining, improved sensation, and a modest improvement in mild laxity or stress incontinence. The evidence behind these hopes is early. Small studies and case series exist; large randomized trials do not.
Somssi Women's Clinic is a surgical gynecology clinic in Gangnam, Seoul, founded in 2000 and led by Dr. Yoon Ho-joo, MD, PhD. We evaluate regenerative requests honestly: we explain what the evidence does and does not show, and we recommend surgery, hormone therapy or no treatment at all when that is the better answer.
Who asks about regenerative vaginal treatment?
- Women with menopausal dryness, thinning or burning who cannot or prefer not to use vaginal estrogen.
- Women with mild laxity or reduced sensation after childbirth who are not ready for surgery.
- Women with mild stress urinary incontinence who want a low-downtime option.
- Women with thin, deflated labia majora who want volume restored.
- Women who had an unsatisfying result elsewhere and want to understand what is realistic.
If your main problem is structural, injections will not repair it. A wide vaginal canal, a descended uterus, a bulge at the opening or a shortened perineum involve stretched muscle and connective tissue, which a biological injection cannot shorten or re-suspend. In that situation we discuss autologous-tissue vaginoplasty or perineoplasty instead.
What regenerative options exist at Somssi?
We want to be precise about what we do and do not offer, because this field is full of vague promises.
Autologous NK immune-cell program
Our stem cell program is an autologous natural-killer (NK) immune-cell program. Your own blood is drawn, the NK cells are cultured for about two weeks and returned by intravenous infusion. It is offered as an immune-support program for women with a prior cancer diagnosis, a family history of cancer, chronic illness or chronic fatigue. It is not a vaginal injection and it is not a treatment for laxity or dryness.
Plasma-based and volume options
For the labia majora we offer volume restoration using your own fat, a filler or a plasma preparation derived from your own blood, alongside surgical excision when the skin has lost its elasticity. See labia augmentation and vaginal fat transfer for details.
What we do not do
We do not inject laboratory-cultured stem cells into the vaginal wall, and we do not present any injection as a cure for prolapse or significant laxity. If another clinic offers you cultured cells, ask what the product is, where the cells came from and whether the product is approved for that use.
How we evaluate suitability
Every regenerative consultation begins the same way as a surgical one. Dr. Yoon examines the vaginal wall, measures vaginal length and width, assesses pelvic floor strength, and checks for uterine descent, cystocele or rectocele with a pelvic ultrasound. We also take a sexual-function history covering desire, lubrication, orgasm, pain and any feeling of looseness.
Only then do we match the treatment to the problem. Thin, dry mucosa in a structurally sound vagina may respond to hormone therapy or a regenerative injection. A wide canal with a descended uterus needs structural repair, and we will say so. Some patients combine a surgical repair with a later injection-based treatment of the mucosa; we schedule that only after the surgical result has settled.
Anesthesia, duration and downtime
Injection-based regenerative treatments are office procedures. In general they are done under topical or local anesthesia, take well under an hour including blood processing when PRP is used, and you walk out afterward. The NK program involves a blood draw, a two-week culture period and a return visit for the infusion.
Surgical alternatives at Somssi are also same-day. Posterior vaginoplasty takes about 50 minutes to an hour under sedation plus long-acting local anesthesia, and you go home once you can urinate. Our cost guide explains how we quote both kinds of treatment.
Recovery timeline for injection-based treatment
| When | What you can do |
|---|---|
| Same day | Walk out, shower and return to desk work. Mild tenderness or spotting at injection sites is common. |
| Days 1 to 3 | Normal daily life. Avoid tampons, baths, swimming and strenuous exercise. |
| About 1 week | Intercourse is usually allowed once soreness has settled, unless you are told otherwise. |
| 4 to 12 weeks | If any benefit appears, it is typically noticed in this window as tissue responds. |
| 6 to 12 months | Effects, when present, tend to fade. Repeat sessions are commonly proposed; the need for repetition is itself a sign that the change is not permanent. |
These are general figures for injection treatments. Your written plan from Somssi will carry your own instructions.
Results and what to expect
Be realistic. Published PRP and cell-based studies in women report improvements in dryness, comfort and some sexual-function scores, but they are small, often lack a control group and rarely follow patients beyond a year. A placebo effect in this area is real and substantial.
What a regenerative injection cannot do: shorten a stretched vaginal canal, lift a descended uterus, close a widened cul-de-sac, rebuild a thinned perineum or stop a bulge. Those outcomes require surgery. Dr. Yoon's own research, a 2005 paper on colpoperineoplasty and sexual function and a 2018 SCI paper on sexual desire in 217 Korean women, concerns surgery and clinical sexual medicine, not injections, and we do not borrow its findings to sell regenerative products.
Risks and how we reduce them
- Injection-site pain, bruising, swelling and spotting: common and short-lived.
- Infection: rare; sterile technique and a clean autologous product reduce it.
- Lumps, nodules or scarring at injection points.
- Temporary altered sensation or pain with intercourse.
- No benefit at all: the most common disappointment.
- With cultured or donor-derived cells: unknown long-term risks, including unwanted tissue growth, immune reactions and contamination. Regulators including the US FDA have warned patients about unapproved stem cell products.
Regenerative medicine in Korea is regulated by the Ministry of Food and Drug Safety (MFDS). Any clinic should be able to tell you exactly what is injected, whether it is your own minimally processed tissue or a manufactured product, and what its approval status is. We give you this information in writing before you decide.
Why international patients choose Somssi
Patients come to us for straight answers. Consultations are in English, the clinic is 100 meters from Gangnam Station Exit 1, and we have treated overseas patients as a Ministry of Health and Welfare registered institution since 2011. Dr. Yoon has presented on female sexual function at ESSM, WAS, ISSWSH and SMSNA meetings and is a member of the Korean Society for Sexual Medicine.
If a regenerative option is right for you, we will offer it with honest expectations. If surgery is the real answer, we will explain why, and our same-day-discharge surgical program lets you recover at your hotel and follow up from home. Read our checklist for foreigners, then contact us to begin.
Private consultation
Talk it through with Dr. Yoon's team
English-speaking coordinators, a written treatment plan and a clear quote after your consultation. Same-day discharge for most procedures.
Mon, Tue, Wed, Fri, Sat 09:30–18:00 (KST). Closed Thu, Sun and holidays. 7F Sangkyung Building, 120 Teheran-ro, Gangnam-gu, Seoul.
Dr. Yoon Ho-joo, MD, PhD
OB/GYN specialist, Catholic University of Korea. Founder of Somssi Women's Clinic (2000). Published on female sexual function after reconstructive vaginal surgery; speaker at ESSM, ISSWSH, WAS and SMSNA.
Questions patients ask
Frequently asked questions
Short, honest answers. For anything personal, a consultation is the right place to ask.
Does Somssi inject stem cells into the vagina?
No. Our stem cell program is an autologous NK immune-cell program given by intravenous infusion for immune support, not a vaginal injection. For intimate concerns we offer plasma-based and fat-based volume options for the labia majora and, where the problem is structural, autologous-tissue surgery. We will tell you exactly what any proposed treatment contains.
How long do the results of a regenerative vaginal injection last?
When a benefit occurs, it typically fades within six to twelve months, and clinics usually propose repeat sessions. There is no reliable evidence of a permanent effect. If you want a durable change in vaginal tightness or support, surgery is the only option with a long track record, and we will explain whether it fits your anatomy.
Is vaginal stem cell therapy legal in Korea?
Minimally processed autologous treatments such as PRP are performed as medical procedures. Cultured or manufactured cell products must comply with Ministry of Food and Drug Safety rules and most are not approved for vaginal injection. Ask any clinic to state in writing what is injected, where it comes from and what approval it holds.
Can it fix looseness after childbirth?
Not when the looseness is structural. Stretched pelvic floor muscle, a widened canal or a descended uterus cannot be shortened by an injection. Mild mucosal thinning or dryness may improve for a time. Dr. Yoon examines and measures the vagina first, then recommends the treatment that matches what he finds, which may be surgery, physiotherapy or nothing at all.
Is it painful?
Injection treatments are done under topical or local anesthesia and most women describe pressure or brief stinging rather than pain. Tenderness, mild swelling and light spotting for a few days are normal. The NK program involves only a routine blood draw and an intravenous infusion.
Can I combine regenerative treatment with vaginoplasty?
Sometimes. If you have both structural laxity and thin, dry mucosa, we repair the structure first with posterior vaginoplasty and consider a mucosal treatment later, once the surgical result has settled at around eight weeks. Doing both at the same time makes it impossible to judge what helped.
Keep reading
Related treatments and guides
- Is Vaginal Stem Cell Therapy Proven to Work? — a plain summary of the current evidence
- Is Vaginal Stem Cell Therapy Safe? — real risks, from bruising to unapproved products
- How Much Does Vaginal Stem Cell Therapy Cost in Korea? — what determines your quote
- Vaginal Stem Cell Therapy in Korea for Foreigners: What Should I Check Before Treatment? — our pre-treatment checklist
- O-Shot — PRP injection for sensation and mild incontinence, explained
- Vaginoplasty (Vaginal Tightening Procedure) — the surgical option for structural laxity
- Dr. Yoon Ho-joo — credentials and research
Sources and medical review
- American College of Obstetricians and Gynecologists (ACOG), guidance on elective female genital cosmetic procedures and on treatment of genitourinary syndrome of menopause.
- US Food and Drug Administration (FDA), consumer warnings on unapproved stem cell and regenerative products.
- Yoon HJ. Perineal plastic surgery (colpoperineoplasty) and female sexual function. Korean Journal of Obstetrics and Gynecology. 2005;48(6).
- Yoon HJ et al. Characteristics of hypoactive sexual desire disorder in Korean women attending a community gynecology clinic. Journal of Obstetrics and Gynaecology. 2018. DOI 10.1080/01443615.2017.1389866.
Next step
A consultation first. A decision only when you are ready.
Tell us what you are experiencing and what you hope to change. Dr. Yoon examines, measures and explains the options, including when no surgery is the right answer. International patients can start with an online consultation before travelling to Seoul.
