Gouri in Suwon: how does liquid PCL differ from other collagen boosters?
If what bothers you is not a wrinkle in one spot but the feeling that your skin as a whole has become thinner and dull, it helps to first look at the ingredients and formulation of collagen boosters. Gouri is a collagen booster made from a biodegradable ingredient called PCL (polycaprolactone) in a fully liquid form without particles; when placed in the dermis, it spreads widely and stimulates fibroblasts, encouraging the skin to produce collagen on its own.
The biggest difference from other collagen boosters is the formulation. With particle-type products, the collagen response occurs around where the particles sit, while with Gouri it occurs across the wide area where the ingredient spreads, so rather than filling volume, it is planned as a treatment for overall facial firmness, texture, and fine lines. At the Suwon clinic, during consultation we first look at whether you want to fill hollow areas or improve the density of your skin as a whole, then decide on the treatment and number of sessions.
In this article, we go through how liquid PCL prompts collagen production, how it is distinguished from other collagen boosters by ingredient, the process and number of sessions, recovery and care, and side effects in order.
Gouri key points
- Liquid PCL spreads widely in the dermis and stimulates fibroblasts, and the ingredient breaks down in the body over time.
- Particle-type boosters are used for volume, while liquid formulations are used for overall facial firmness and skin texture.
- The basic plan is 3 sessions 4 weeks apart, after which 1 to 2 maintenance sessions can be added at intervals of 6 months to 1 year.
- Redness or small bumps at the injection sites mostly settle within 48 hours.
How does Gouri's liquid PCL prompt collagen production?
PCL is a medical polymer that breaks down slowly in the body over time, and it has long been used in medical materials such as sutures. When the body perceives the ingredient placed in the dermis as a subtle stimulus, fibroblasts produce new collagen and elastin, while the ingredient is gradually broken down and absorbed.
The liquid formulation has no microparticles, so it does not stay at the injection point but spreads thinly into the surrounding area. That makes it suited to being placed evenly across the whole face, and the collagen response also builds up slowly over a wide area. This product is a biodegradable ingredient that has received medical device approval from Korea's Ministry of Food and Drug Safety and European CE certification.
Collagen takes time to form, so it is hard to expect a visible change right after treatment. You first notice a change in glow within a few days, and firmness tends to appear little by little over several weeks.
How does Gouri differ from other collagen boosters?
Even under the same name of collagen booster, where collagen forms and what it is used for differ by ingredient and formulation. The table below lines up the injection treatments used at our clinic by ingredient; it does not mean one is better, but shows that each addresses different concerns.
| Treatment | Ingredient and formulation | Main concerns addressed |
|---|---|---|
| GOURI | Particle-free liquid PCL | Overall facial firmness, skin texture, and fine lines |
| Juvelook | PDLLA and hyaluronic acid | Skin texture, pores, and the area around shallow scars |
| Sculptra | PLLA ingredient that stimulates collagen production | Volume in hollow areas |
| Rejuran Healer | PN (polynucleotide) ingredient | Regeneration of thin, sensitive skin |
Which ingredient to use is decided by whether you want to fill hollow areas or improve the density of your skin as a whole, whether your skin is thin and sensitive, and whether your schedule can accommodate redness and small bumps lasting about two days. If pores and fine lines also bother you, an option of having skin botox on the same day is also considered in consultation.
How is Gouri performed, and how many sessions are needed?
How liquid PCL is placed in divided amounts
When liquid PCL is injected at multiple points in the dermis, the ingredient spreads into the surrounding area and distributes evenly. Rather than concentrating a large amount in one spot at once, it is spread thinly across the whole face, so the collagen response is layered up over successive sessions.
Treatment steps at our Suwon clinic
- We assess your skin condition and treatment areas and provide a consultation.
- After cleansing, numbing cream is applied to the treatment area.
- Liquid PCL is injected into the dermis and distributed evenly.
- The injection sites are tidied up, and we guide you through aftercare.
The treatment takes about 20 minutes, and you can return to daily life right afterward. The dose is a 5cc option, and there are a 3-session option, an option with LED and a sheet mask added, and an option combined with 2cc of skin botox. The basic schedule is 3 sessions 4 weeks apart, and after the first 3 sessions, we discuss whether to add 1 to 2 maintenance sessions at intervals of 6 months to 1 year.
View the Gouri Treatment Guide
Recovery and care after Gouri
- You can wash your face and wear makeup right after treatment, using a gentle cleanser.
- For 48 hours after treatment, avoid activities that greatly increase blood circulation, such as drinking, saunas, and intense exercise.
- For about a week, avoid saunas, drinking, peels, and scrub products.
- Take careful care of moisturizing and sun protection.
- Do not press or rub the small raised spots right after injection.
You may notice a change in glow within a few days after treatment, and changes in firmness appear gradually from about one month. How long the change lasts varies from person to person, so the timing of maintenance treatment is decided by looking at your skin condition after completing the sessions.
Gouri side effects and precautions
Common reactions are redness or small raised bumps at the injection sites, and most settle within 48 hours. Needle marks, mild swelling, and small bruises may also occur and fade within a few days, and the degree of reaction varies from person to person.
Rarely, a firm lump may be felt at the injection site, or inflammation or an allergic reaction may occur. If you are pregnant or breastfeeding, have an infection or inflammation in the treatment area, or have an underlying medical condition, you need to consult a physician before treatment.
If redness and swelling keep getting worse after 48 hours, the injection site becomes hot and painful with visible pus, or a lump grows larger, do not press or squeeze it and contact the clinic right away.
What is checked before Gouri?
If any of these apply, start with a skin diagnosis
- Rather than a wrinkle in one spot, you feel that your skin as a whole has become thinner and dull.
- Your glow has decreased, and there are more days when your makeup looks cakey.
- You are unsure yourself whether you want to fill hollow areas or improve skin texture.
- Your schedule makes it hard to allow a long recovery period after treatment.
If two or more apply, it is best to first check your skin thickness and whether there are hollow areas before choosing a collagen booster. Whether to treat, the method, and the number of sessions are decided together in consultation after a physician's examination.
In short, Gouri is a liquid formulation that addresses overall skin firmness and texture rather than volume, so the key is to first identify which concern you have and then build up sessions.
FAQ
Q. How is Gouri different from other PCL injections?
A. Many existing PCL products have small particles mixed into a gel, while Gouri is a dissolved liquid formulation without particles. That is why it spreads widely after injection and is planned to address overall facial firmness and skin texture rather than volume.
Q. How long does it take to feel the effects of Gouri?
A. You may notice a change in skin glow within a few days, and changes in firmness from collagen regeneration appear gradually from about one month. Because it is a treatment in which collagen builds up, the basic plan is 3 sessions 4 weeks apart, and your skin condition is checked at each session.
Q. What should I do if bumpy marks appear as a side effect of Gouri?
A. Small raised bumps at the injection sites mostly settle within 48 hours, so do not press them and simply leave them alone and watch. If they grow larger or become hot and painful after that, it may be a sign of inflammation, so please contact the clinic right away.
Q. Can Gouri also fill areas that have lost volume?
A. The liquid formulation tends to spread thinly, so it is not planned for filling hollow areas. If volume is your concern, particle-type collagen boosters or fillers are reviewed alongside, and they are scheduled separately from skin texture treatments.
Q. How many Gouri sessions are needed, and when should I have it again?
A. The basic plan is 3 sessions 4 weeks apart, and after the first 3 sessions, 1 to 2 maintenance sessions can be added at intervals of 6 months to 1 year. How long the change lasts varies from person to person, so it is decided by looking at your skin condition.
Q. How can I find out the cost of Gouri?
A. The cost depends on the dose, the number of sessions, and any treatments combined with it. We confirm in consultation whether you will have it alone or together with a treatment such as skin botox before giving you details, and items by option can also be found on the treatment information page.
This content is provided as general treatment information and is not a substitute for diagnosis or treatment. Always consult a medical professional to decide whether and how to proceed with a treatment.