GOURI versus Re2O: when to choose which
Both are candidates for thinned skin, so they get confused. The difference is exactly one thing: does it tell the skin, or give the skin?
The short answer
GOURI provokes a reaction so the body makes collagen; Re2O supplies collagen and elastin directly. Both are candidates when skin has thinned and lost density. If a foreign-body reaction and nodules worry you, or you are fine with human-derived material, Re2O; if you want your own collagen to increase rather than material added, and you accept that it cannot be reversed, GOURI. They have never been compared directly.
In one table
| GOURI (liquid PCL) | Re2O (hADM) | |
|---|---|---|
| Method | Foreign-body reaction makes collagen | Supplies collagen and elastin |
| Source | Synthetic polymer (polycaprolactone) solution | Extracellular matrix of donated human skin |
| Formulation | Particle-free liquid — water carrier | Injectable solution |
| Once placed | Spreads as a sheet along the plane | Settles in the dermis |
| Mainly aimed at | Texture and density across the face | Dermal support |
| Reversible | Does not dissolve with hyaluronidase | Not dissolvable, but absorbed gradually |
| Traceability | Product lot | Donor to distribution — tight, as human tissue |
| Sessions (our standard) | One to begin, reviewed at four weeks | One to three, judged on the skin |
Choose GOURI when
- You want your own collagen to increase rather than material added
- Volume is fine but firmness and density have dropped
- Human-derived material bothers you
- Wanting texture and density lifted evenly across the whole face
Choose Re2O when
- Nodule risk from the PCL and PLLA class worries you
- Skin has thinned so much the material itself is lacking
- Non-reversible synthetic material is uncomfortable
- You know and accept the human-derived source
Neither when
A hollow cheek is a volume question and belongs to a filling material; a descending jawline is laxity and belongs to RF, ultrasound or threads — different layers. And GOURI is a facial treatment, so for the neck or hands we look at approaches suited to those areas with you instead.
Which treatment fits which concern
| Concern | Treatments to consider | Why |
|---|---|---|
| Lost firmness and density, want own collagen | GOURI | Makes collagen |
| Very thin skin needing material | Re2O | Supplies it |
| Nodule concern | Re2O or Rejuran | No foreign-body reaction |
| Prefer synthetic material | GOURI | Not human-derived |
| Hollow cheeks | Filler class | Neither |
| Sagging contour | Density / XERF | Neither |
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
How do I choose between GOURI and Re2O?
They aim at different things. To lift texture and density evenly across the whole face, GOURI; to weight toward dermal support, Re2O. Settle the goal first.
Can I have both?
Split by area or timing, yes. Not the same area on the same day.
Is human skin as a source safe?
Only the structural material remains after cells and DNA are removed; it has long been used in burn and breast reconstruction. If it bothers you, we will not push it.
Read next
If you want to go deeper
Product page
Who wrote this
Written and reviewed by Lee Chi-Hak, MD, director of Miso Clinic, Daegu. The treatment standards and injection design here are the ones we use in practice.
| 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 |
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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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