Quick answer: Rejuran 2cc vs 4cc cost in Gangnam differs mainly because 4cc uses twice the product. A 2cc dose usually covers the full face lightly, while 4cc allows more even coverage, extra passes on problem areas or adding the neck. The right amount depends on your face size, skin condition and goals, not just the total.
Key takeaways
- Rejuran Healer usually comes in 2cc syringes, so 4cc means two syringes.
- 4cc costs more in total but spreads more product across the skin.
- 2cc often suits younger skin, smaller faces or maintenance sessions.
- 4cc often suits larger faces, more concerns or the face plus neck.
- Ask clearly how many cc your quote includes before comparing clinics.
What does 2cc or 4cc mean?
The "cc" refers to the volume of Rejuran Healer injected during one session. Rejuran Healer is a polynucleotide (PN) skin booster made by PharmaResearch, and it is supplied in 2cc syringes. A 2cc treatment uses one syringe, while a 4cc treatment uses two. The product is placed in many tiny points just under the skin, so more volume means more points or more product at each point.
Why does the amount of product matter?
Rejuran works by supporting the skin's own repair process in the areas where it is placed. If the amount is too small for the area, coverage can feel thin and results may be less even. If the amount suits the area, every part of the face gets enough product. This is why two quotes for "Rejuran" can look very different: one may include 2cc and the other 4cc.
How do 2cc and 4cc compare?
- Product used: 2cc is one syringe; 4cc is two syringes.
- Coverage: 2cc covers the face more lightly; 4cc gives fuller, more even coverage.
- Extra areas: 4cc can include the neck or extra passes on cheeks and scars.
- Total cost: 4cc costs more per session because more product is used.
- Bumps after treatment: 4cc may leave slightly more small bumps for a day or two.
- Best for: 2cc for maintenance and mild concerns; 4cc for more concerns or larger areas.
When is 2cc enough?
A 2cc dose is often enough for people with fairly healthy skin who want a glow, smoother texture or a maintenance session after a full course. It can also suit a smaller face or a focused area such as the cheeks. Many visitors who come to Korea regularly choose 2cc as a top-up between bigger treatments. If your concerns are mild, 2cc can give good value.
When might 4cc be better?
A 4cc dose is often suggested for larger faces, more visible fine lines, enlarged pores across the cheeks, acne scars or dull, tired skin. It is also used when the neck is treated in the same session. With more product, the doctor can treat each area more evenly and add extra product where your skin needs it most. If you can only visit once, some doctors prefer a larger dose to make the most of that session.
Is 4cc twice as effective as 2cc?
Not exactly. More product helps coverage, but results also depend on your skin, the injection technique and the number of sessions. A course of several 2cc sessions can sometimes give better results than a single 4cc session. Your doctor will balance the amount per session with how often you can return to Seoul.
What else affects the total cost?
Beyond the cc amount, the total cost can change with the number of sessions, the treated areas, manual or machine-assisted injection, numbing cream and aftercare, and whether a doctor performs the injections. Combining Rejuran with lasers or lifting treatments also changes the plan. Always compare the full plan, including how much product is used in each session.
How to check you receive the right amount
A good clinic opens each syringe in front of you and lets you see the label and holographic sticker. If your plan includes 4cc, you should see two syringes. It is reasonable to ask how many cc will be used before treatment begins. This protects you from diluted product or a smaller amount than you expected.
How to compare quotes in Gangnam
Korea treated about 2.01 million foreign patients in 2025, and around 63% came for dermatology, according to the Ministry of Health and Welfare. Skin boosters such as Rejuran are among the most popular requests in Gangnam. When comparing clinics, ask the same questions: how many cc, how many sessions, which areas, who injects and what is included. This gives you a fair comparison.
Frequently asked questions
Does 4cc hurt more than 2cc?
It can take a little longer, but numbing cream keeps most people comfortable for both.
Can I start with 2cc and add more later?
Yes. Many people start with 2cc and increase the amount in later sessions if needed.
How long do bumps last after 4cc?
Small bumps usually settle within one to two days.
Is 4cc recommended for the under-eyes?
The under-eyes usually use Rejuran i, which is planned separately in a smaller amount.
Sources
- Ministry of Health and Welfare, Republic of Korea – 2025 foreign patient statistics (press release, 2026).
- Ministry of Food and Drug Safety, Republic of Korea – medical device approval information.
- PharmaResearch – Rejuran product information.
This article is for general information only and is not medical advice. Prices vary between clinics and individuals. Please consult a qualified physician before any treatment.
