Miso Clinic · Treatment guide

Five things to check before GOURI

GOURI is not a treatment where “if I regret it I can dissolve it” applies. That means there is more to check beforehand than with filler, not less. Here are five things, written so you can use them at any clinic.

Treatment guideAbout a 5-minute readSeptember 2026Miso Clinic, Daegu · Dr. Lee Chi-Hak

The short answer

before GOURI, check (1) that it cannot be reversed, (2) what has been injected in the same area before, (3) your medicines and any recent vaccines or dental work, (4) whether the target is outside the face, and (5) how far the evidence actually goes. Whether a clinic raises these five things first is, in our view, a better test than any claim about skill.

1. It cannot be reversed

Polycaprolactone is not hyaluronic acid, so hyaluronidase does not dissolve it. If you dislike it or a problem arises, there is no immediate way to remove it. That is not the same as permanent, but there is no “undo” safety net. Hearing this before treatment and hearing it after are two different things.

2. What is already in that area

If a non-reversible material (PCL, PLLA or CaHA class) is already in the same area, nobody can tell which one caused a later problem. Bringing a list of previous treatments by area helps more than anything else. Include fillers, lifting and lasers, with dates.

3. Medicines, vaccines, dental work

  • Anticoagulants and antiplatelet drugs raise bruising and bleeding risk. Do not stop them on your own; talk to the prescribing doctor first.
  • If you are on immunosuppressive treatment or have an autoimmune condition, we talk it through first. During pregnancy or breastfeeding we do not recommend it and suggest a different time.

  • Recent vaccination, infection or dental treatment — we space treatment away from these because of possible delayed inflammatory reactions, usually about two weeks either side.

4. It is a facial treatment

GOURI is a facial treatment, and we use it on the face. If you also want the neck, hands or décolletage treated, we look at approaches suited to those areas with you. Skin thickness and movement differ enough that transplanting a facial design is not always the right answer.

5. Which plane, and across how many points

GOURI has no particles, so it spreads as a sheet along the plane it enters. What decides the result is therefore not “how many cc” but which plane, and across how many points. If a consultation only quoted a total, it is worth asking how it will be divided.

Miso Clinic GOURI placement standard
ItemOur standard
PlaneDeep dermis — plane first, then the points
PlacementDivided across the full face, spacing varied by area
Thin areasPeriorbital and perioral: less volume, plane held exactly
InstrumentA cannula where the area calls for it — less bruising and vascular risk
Starting volumeConservative — adding decided at four weeks

Call straight away if

  • The injected area turns pale, blotchy or severely painful — possible vascular problem. Call immediately.
  • Red swelling or heat that grows suddenly days later
  • Any change in vision — rare, but an emergency

Which treatment fits which concern

Which treatment fits which concern
ConcernTreatments to considerWhy
A reversible treatment is your priorityCross-linked HA booster, RejuranHA dissolves; PN degrades
You want neck or hands treatedCompare classes that have data firstGOURI is recommended for the face only
Thin skin and fine lines, and the five checks are doneGOURIIt is a candidate
Sagging is the main concernDensity / XERFNot the layer boosters work on

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

What reactions are common after GOURI?

The usual injection reactions — bruising, swelling and mild soreness — are the most common. Swelling is usually noticeably down within 48 hours, and bruising fades over five to seven days. Reducing bruising is one reason we use a cannula where the area calls for it.

Can it be dissolved if something goes wrong?

No. Hyaluronidase does not work on it. That is why the pre-treatment check matters more.

Can I have GOURI where I had filler?

With hyaluronic acid filler it may be possible after an interval, but where PCL, PLLA or CaHA is present we adjust area or timing. What went in, and when, is the key information.

Do I have to decide on the day?

No. Bringing a decision forward with a same-day discount, for a material that cannot be reversed, moves the risk onto the patient. Miso Clinic does not ask for same-day decisions.

Read next

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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.

Miso Clinic
Medical directorLee Chi-Hak, MD
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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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