Re2O in Daegu: which skin is it right for?
Most people have heard the name Re2O; few know what it is. Let us start with what it is made of, honestly, and then look at which skin it suits.
The short answer
Re2O (an hADM skin booster) suits skin that has thinned, lost density, turned rough and shows stretched pores. Rather than stimulating the skin to make collagen, it directly supplies the collagen and elastin that have been lost. It is not the answer for hollow cheeks (a volume problem) or a sagging contour.
The raw material is donated human skin. Cells and DNA are removed, and only the structural material that remains is finely processed for injection. Many sources leave this out; we think you should choose knowing it.
Re2O gives, rather than tells
Most booster comparisons are lists of names. The difference that actually matters is one thing: does it tell the skin, or does it give the skin?
| Class | Approach | Examples |
|---|---|---|
| Collagen boosters (PCL, PLLA, CaHA) | Insert a material the body treats as foreign; collagen forms in the reaction | GOURI, Sculptra, Radiesse |
| PN | Form a water-holding mesh that makes the skin’s own recovery easier | Rejuran |
| hADM | Insert collagen and elastin themselves | Re2O, CellReDM |
That makes it the most direct approach for skin that has thinned and lost density. “Direct” does not mean “better”, though. The depth of the evidence differs, and we cover that below.
When we put Re2O on the list
- Skin that has become thin and papery, so make-up sits badly
- Stretched pores and rough texture
- Fine lines that stay at rest
- Concern about nodules from the foreign-body-reaction class (PCL and similar)
- Dislike of the bulk that hyaluronic acid filler gives
When we do not recommend it
- Hollow cheeks, nasolabial area or temples — Re2O does not add volume.
- Sagging contour as the main concern — that is radiofrequency territory.
- You are uncomfortable with human-derived material — we will not push it. Other classes cover the same concern.
- You want only products that passed a clinical trial — Re2O is human tissue, so no pre-market trial was required, and the 20-person study came after launch.
How far the evidence goes
Plainly: Re2O has one human study, 20 people over 20 weeks (Severance, 2026). The control was hyaluronic acid alone, not no treatment, and the study was done after launch. There is no approval trial like Rejuran’s phase 3. In exchange, because it is human tissue, traceability from donor to distribution is tighter than for other classes. Efficacy verification is tighter on the PN side; traceability is tighter on the hADM side. Different things are guaranteed.
Which treatment fits which concern
| Concern | Treatments to consider | Why |
|---|---|---|
| Thin skin, lost density | Re2O, GOURI | Supply material or make it |
| Fine lines on thin, sensitive skin | Rejuran or Re2O | No foreign-body reaction |
| Pores and texture as the main concern | Re2O, Rejuran | Dermal density and hydration |
| Hollow cheeks | Filler class | Boosters do not restore volume |
| Sagging contour | Density / XERF | Radiofrequency for the deeper layer |
Which treatment is “best” is decided by the state of your skin right now, not by the product. In consultation we look first at what has been lost and what is still there, before we talk about any product name.
Frequently asked questions
Is Re2O really made from human skin?
Yes. Donated skin with cells and DNA removed, leaving the extracellular matrix. The material has long been used in burn and breast reconstruction; Re2O makes it injectable.
Is Re2O a volume treatment?
No. It works on dermal density and texture. Lost volume is filler territory.
Can Re2O be dissolved?
hADM is not something hyaluronidase acts on. Unlike PCL, which drives a foreign-body reaction, it is the same kind of material as your own dermis and is absorbed gradually.
How is it different from Rejuran?
Rejuran is PN that changes the environment; Re2O is hADM that supplies material. The biggest difference is the regulatory route, though. See Re2O versus Rejuran.
Read next
If you want to go deeper
Product page
Who wrote this
Written and reviewed by Lee Chi-Hak, MD, medical director of Miso Clinic in Daegu, South Korea. Studies are cited with their size and limitations, and where we could not find data we say so. Individual decisions need an in-person examination; this page does not replace one.
| Medical director | Lee Chi-Hak, MD |
|---|---|
| Address | 4F Bombom Building, 125 Dongdeok-ro, Jung-gu, Daegu, South Korea · Exit 1, Kyungpook National University Hospital Station |
| Phone | +82-53-428-2700 |
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| Hours | Weekdays 11:00–19:00 (lunch 13:00–14:00) / Saturday 10:00–16:00 / Closed Sundays and public holidays |
| Treatment guides | All guides |
| Comparisons | All comparisons |
| Columns | All clinical columns |
| Reference library | All booster and device references |
References
- Re2O manufacturer material (L&C Bio) — extracellular matrix from acellular human dermis (hADM), distributed as human tissue.
- Severance Hospital group, Int J Mol Sci 2026;27(5):2193, NCT07155278 — 20 people, 20 weeks, control was hyaluronic acid alone. Conducted after launch (November 2024).
- Korean Act on Safety and Management of Human Tissue — human tissue is distributed under tissue-bank licence with no pre-market clinical trial requirement.
- US FDA guidance — micronising acellular dermis takes it beyond “minimal manipulation”.
Everything on this page is general information and does not replace medical diagnosis or treatment. Effects and side effects vary with individual skin condition, age and underlying illness, and the same result is not guaranteed for everyone. Any decision to proceed should be made in an in-person consultation with a physician.
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