Skin treatments
DAX Exosome Therapy in Knightsbridge: A Doctor-Led Guide to Skin Rejuvenation
What DAX exosome therapy is, how the protocol is delivered, what it realistically improves, how it compares with polynucleotides and PRP, the UK regulatory position, downtime, the course, results timeline and cost.
By Fatemeh, Founder & Lead Practitioner, Levirgo Aesthetics Clinic 15 min read
Reviewed December 2025 
What DAX exosome therapy is
Exosomes are nanoscale vesicles that cells use to signal one another, carrying growth factors, peptides and messenger molecules. A DAX exosome protocol uses a concentrated, medical-grade exosome preparation delivered into the skin immediately after a micro-channelling treatment. The idea is to give recovering skin a strong “repair” signal — encouraging fibroblasts to produce collagen, calming inflammation, and speeding the return to a healthy barrier.
Delivery is the whole point
Exosome molecules are too large to cross intact skin. They only reach the living dermis through the temporary channels created by microneedling, RF microneedling or a fractional laser — which is why the therapy is always paired with one of those.
How a session is delivered
- Cleanse & numb
The skin is cleansed and a topical anaesthetic applied for 20–30 minutes.
- Create micro-channels
Microneedling or RF microneedling opens thousands of temporary channels across the treatment area.
- Apply the exosome preparation
The DAX preparation is spread over the skin and worked in, with a further layer often left on as a mask.
- Soothe & protect
A calming serum and SPF finish the session. You leave with 48-hour aftercare instructions.
What it realistically improves
| Concern | Realistic benefit |
|---|---|
| Dullness, uneven texture | Good — smoother, more radiant skin over a course |
| Dehydration, weakened barrier | Good — improved hydration and resilience |
| Redness, post-procedure inflammation | Good — calmer skin, faster recovery after microneedling/laser |
| Fine lines, early crepiness | Modest — some softening as skin quality improves |
| Post-acne marks, mild pigmentation | Modest — best alongside pigment-focused care |
| Laxity, volume loss, deep wrinkles | Minimal — needs energy devices, resurfacing or injectables |
| Active acne or rosacea flare | Not a treatment — settle first |
The evidence and the rules
Laboratory and animal studies show exosomes can influence fibroblast activity, collagen production and inflammation. Human aesthetic data is still limited — mostly small studies and split-face comparisons, often showing better recovery and skin-quality scores when exosomes are added to microneedling or laser. Encouraging, but not the same as large, long-term trials.
UK regulatory position
Exosome products are not licensed as injectable medicines in the UK, and injecting them is not an approved use. Responsible clinics apply them topically to freshly micro-channelled skin and are transparent about the product’s source, processing and storage. Be cautious of any clinic offering injected exosomes or making cure-all claims.
DAX exosome therapy vs polynucleotides vs PRP
| DAX exosome therapy | Polynucleotides | PRP with microneedling | |
|---|---|---|---|
| Delivery | Topical onto micro-channelled skin | Injected into the skin | Injected or micro-channelled |
| Main strength | Radiance, calming, recovery support | Repair, hydration, elasticity; under-eye quality | General rejuvenation using your own biology |
| Course | 3 sessions, 2–4 weeks apart | 2–3 sessions, 2–4 weeks apart | 3 sessions, ~4 weeks apart |
| Downtime | 24–48 hours | Bumps/bruising 1–2 days | 24–72 hours redness |
| Evidence base | Early, promising | Better established for skin quality | Well established, protocols vary |
These are complementary — a plan can combine a delivery treatment with whichever booster best fits your skin.
Is exosome therapy right for your skin?
Book a complimentary skin assessment. We’ll give you an honest view of the likely benefit and design a course — or recommend a better-suited treatment.
Results and timeline
Illustrative share of the final visible improvement present at each point after a full course of three sessions.
The first days bring a temporary glow as the skin recovers. The meaningful change — texture, tone, resilience — builds over 6–12 weeks and is maintained with a session every 3–6 months, or by pairing exosome therapy with an ongoing microneedling schedule.
Downtime and aftercare
- Leave the skin bare on the first night; use only the products provided.
- No make-up for 24 hours, then mineral only.
- No exercise, saunas, steam or swimming for 48 hours.
- Pause retinoids, acids and scrubs for 3–5 days.
- Strict SPF 50 and no direct sun for a week.
- Expect mild dryness and flaking around days 2–4 — moisturise, don’t pick.
What it costs in London
| Option | Typical London price |
|---|---|
| Single session (with microneedling) | £300–£650 |
| Course of 3 | £850–£1,600 |
| Add-on to RF microneedling or laser | £150–£350 on top of the base treatment |
| Maintenance session (3–6 monthly) | £300–£550 |
Consultation is complimentary and redeemable. Your plan and price are confirmed after a skin assessment.
How Levirgo delivers exosome therapy
- An honest consultation about what exosome therapy can and can’t do, and whether another treatment would serve you better.
- Applied only topically, onto freshly micro-channelled skin — never injected.
- Named, traceable, medical-grade product with cold-chain storage; we tell you exactly what we use.
- Paired appropriately with microneedling, RF microneedling or laser for genuine delivery.
- Baseline and follow-up photography so results are measured.
- CQC-registered clinic in Knightsbridge with itemised pricing and a 24-hour aftercare contact.
Frequently asked questions
How much does DAX exosome therapy cost in Knightsbridge?
A single session with microneedling is roughly £300–£650 in London, and a course of three is £850–£1,600. Added to RF microneedling or laser it’s typically £150–£350 on top of the base treatment.
What does exosome therapy actually do?
It aims to amplify the skin’s repair response after a micro-channelling treatment, improving texture, hydration, radiance and redness and speeding recovery. It doesn’t add volume, lift the face or remove deep wrinkles.
How many sessions do I need?
Three sessions two to four weeks apart is standard, with results building over 6–12 weeks. Maintenance is a session every three to six months, or pairing exosome therapy with an ongoing microneedling schedule.
Is it injected?
No. In the UK exosome products are not licensed as injectable medicines, so a responsible clinic applies them topically onto skin that has just been micro-channelled by microneedling or laser. Avoid any clinic offering injected exosomes.
Is there strong evidence it works?
The evidence is early — laboratory work and small clinical studies show improved skin-quality scores and faster recovery when exosomes are combined with microneedling or laser, but there are no large long-term trials yet. It’s best described as promising skin-quality support.
How is it different from polynucleotides?
Polynucleotides are injected DNA fragments with a better-established role in skin repair, hydration and elasticity, including the under-eye area. Exosome therapy is applied topically after micro-channelling and leans toward radiance, calming and recovery. They can be used in the same overall plan.
How is it different from PRP?
PRP concentrates growth factors from your own blood; exosome preparations deliver an external signalling package. Both target skin quality via microneedling. PRP has a longer track record; exosome therapy is newer and needs no blood draw.
What’s the downtime?
Usually 24–48 hours — sunburn-like redness on day one, then pinkness and mild dryness or flaking around days two to four. Make-up after 24 hours, no exercise or heat for 48 hours, strict SPF for a week.
Can I have it while pregnant or breastfeeding?
No. Like most micro-channelling and injectable aesthetic treatments, it isn’t offered during pregnancy or breastfeeding due to limited safety data.
Will one session make a difference?
You’ll usually see a short-lived glow, but the lasting texture and tone benefits come from completing a course and protecting the skin from sun afterwards.
Levirgo Aesthetics Clinic · Knightsbridge
Evidence-led skin rejuvenation in Knightsbridge
A doctor-led team, transparent about products and evidence, with results tracked against baseline photos. No obligation to proceed.
Sources & further reading
- Medicines and Healthcare products Regulatory Agency (MHRA) — regulation of biological products
- British Association of Dermatologists — skin rejuvenation information
- Joint Council for Cosmetic Practitioners (JCCP) — treatment standards
- National Center for Biotechnology Information (NCBI) — exosomes in dermatology research
This article is general information about exosome therapy and is not medical advice. The evidence base is still developing and individual results vary. Suitability and expected benefit can only be assessed in a personal consultation. Prices are indicative London ranges for 2026 and are confirmed in writing after assessment.