GOURI and Rejuran — they aim at different things
The two most often weighed against each other. GOURI is particle-free and spreads through the dermis for texture and density; Rejuran weights toward regeneration and texture. Settle the goal and the choice settles with it.
The short answer
GOURI and Rejuran aim at different things. GOURI is a particle-free liquid that spreads as a sheet through the dermis and lifts texture and density; Rejuran weights toward regeneration and texture. So rather than which is better, the question is “do you want a broad surface lifted evenly, or the weighting on regeneration?”
The comparison on one page
| Item | GOURI (liquid PCL) | Rejuran (PN) |
|---|---|---|
| Material | Polycaprolactone | Polynucleotide |
| Formulation | Particle-free liquid, water carrier | Injectable solution |
| Once placed | Spreads as a sheet along the plane | Acts as it is absorbed |
| Usual plane | Deep dermis | Dermis |
| Mainly aimed at | Texture and density across the face | Regeneration, texture |
| Reversal injection | None | Not applicable |
The main difference — spreading versus being absorbed
What separates them is how they behave in the body.
- GOURI spreads and settles. It covers as a sheet along the plane, and that structure signals your own collagen to form. The change starts from four weeks and settles around twelve.
- Rejuran acts as it is absorbed. The weighting is on regeneration, and building up over several sessions is the usual design.
- So the session design differs. We start GOURI at one session and decide on more from the skin at four weeks — because one placement can cover the whole face as a sheet.
So how do you choose
| If this is the goal | The side that fits |
|---|---|
| The whole face looks dull, texture coarsened | GOURI — the advantage of spreading |
| Skin thinner, no longer catching light | GOURI — it targets dermal density |
| Weighting toward regeneration | Rejuran |
| Wanting fewer sessions | GOURI — we start with one |
| Both apply | Different aims, so staggered and divided |
Can they be combined
Yes. Because they aim at different things, they do not substitute for each other. We do stagger them — placed on the same day, any reaction could not be attributed to one or the other.
We place one, review at four weeks, then settle the combination and the order. Which goes first is decided by whichever has diminished more.
How we judge it at Miso Clinic
- The goal goes into a sentence first. The product follows from it.
- We do not rank them. Products aimed at different things cannot be put in a single line.
- GOURI: one session, reviewed at four weeks. A design that uses what a spreading formulation is good at.
- Materials with no reversal injection start conservatively.
- Combinations are staggered.
The class-wide comparison is in boosters compared, and the injection design in what spreading evenly actually means.
Frequently asked questions
Which suits my skin, GOURI or Rejuran?
They aim at different things. If the goal is “the whole face looks dull and coarse”, that is GOURI; if the weighting is on regeneration, Rejuran. Settle the goal and the product largely follows.
Can I have both?
Yes. They aim at different things, so they do not substitute for each other. We do stagger them — on the same day any reaction could not be attributed. We place one and settle the combination at four weeks.
Do the sessions differ?
They do. We start GOURI at one session and decide on more from the skin at four weeks — because with no particles it can cover the whole face as a sheet in one go.
When does the effect show?
With GOURI, texture and light change first at four weeks, fine lines and shadowing soften by eight, and it settles around twelve weeks. The fullness right after the injection is the water that was placed and settles within a day or two.
Do either of them add volume?
Neither is a filling product. GOURI targets dermal texture and density; Rejuran targets regeneration and texture. If lost volume is the main issue, that is a filling material's conversation.
Can it be reversed?
GOURI has no reversal injection. That is why we start conservatively and decide at four weeks whether to add. Only hyaluronic acid products dissolve with hyaluronidase.
Which should I do first?
Whichever has diminished more. If texture and density are the bigger issue, GOURI first; if regeneration, Rejuran first. Then we review at four weeks and decide the next step.
Product page
The product itself is set out here. GOURI: liquid polycaprolactone as a collagen stimulator
Who wrote this
Written and reviewed by Lee Chi-Hak, MD, director of Miso Clinic, Daegu. The treatment standards and injection design set out 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 |
| Phone | +82-53-428-2700 |
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| Reference library | All booster and device references |
Everything in this column 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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