COMPARISON · SKIN QUALITY
COMPARISON · SKIN QUALITY

Skin Booster vs Collagen Booster — Cheongdam & Apgujeong, Seoul

Skin boosters such as Rejuran, Re2O or exosome care focus on hydration, texture and recovery of the skin surface, while collagen boosters such as Radiesse or GOURI aim to build firmness and density over time. At Doje Clinic in Cheongdam and Apgujeong, Seoul, Dr. Byun selects by what your skin lacks: quality, firmness, or both.
Doje Clinic Seoul in Apgujeong and Cheongdam

✦ DESIGNED 1:1 BY DR. BYUN JEIK

Seoul National University College of Medicine · Surgery specialist & fellow, SNU Hospital · Merz Golden Record Award 2024 · One of Korea's 22 filler experts (Medical Times)

Key facts

What they are Skin boosters: injectables for skin quality (e.g. Rejuran, Re2O, exosome). Collagen boosters: injectables that build firmness (e.g. Radiesse, GOURI).
Main difference Skin boosters refine the surface; collagen boosters strengthen the structure of the skin.
How Doje uses them Skin boosters in Hydration & Soothing and Pores & Texture care; collagen boosters as options in the Mid-Face, Marionette and Jawline programs.
Typical session Injection appointment with numbing; often a short series.
Downtime Small bumps or marks, mild swelling; typically days.
Where Doje Clinic, Apgujeong Rodeo Station Exit 5, Seoul

Two families, often confused

“Booster” is used loosely in Korean clinics, which is why so many visitors ask whether a skin booster and a collagen booster are the same thing. They overlap, but their main goals differ.

Skin boosters (스킨부스터) aim at quality: hydration, smoothness, glow, fine lines and how well the skin recovers. At Doje this group includes Rejuran (a polynucleotide, PN, booster), Re2O, and exosome-based care. Rejuran is added selectively in Hydration & Soothing care; exosome is commonly delivered with Potenza in Pores & Texture care.

Collagen boosters aim at structure: firmness and density, especially in thin or slackening skin. At Doje, Radiesse (calcium hydroxylapatite) and GOURI (PCL-based) appear as options in the Mid-Face, Marionette and Jawline programs. Their effect builds gradually over weeks to months.

How Doje Clinic decides

Doje’s philosophy — “care needs change as time passes” — applies directly here. In your 20s and early 30s, the skin often needs quality and recovery; later, density and support become more important. In a 1:1 consultation Dr. Byun Jeik reviews skin thickness, elasticity, dryness and sensitivity, and a Mark-View 3D analysis can quantify texture and pores.

  • Dull, dehydrated or reactive skin; fine texture issues — skin booster.
  • Thinning, crepey or loosening skin — collagen booster.
  • Delicate eye area — specific options such as Eye Rejuran or Re2O Fine.
  • After lifting or energy treatment — a skin booster can support recovery and finish.

✦ PRIVATE 1:1 CONSULTATION

Find out what your face actually needs

✔ Your plan is designed by Dr. Byun Jeik himself, trained at Seoul National University
✔ Only what your face needs, never a device package
✔ Written plan and quote at consultation
✔ 6 min from Apgujeong Rodeo Station, Exit 5

Mon, Tue, Thu, Fri 10:00–19:00 · Sat 10:00–17:00
Closed Wed, Sun & holidays ·
+82 2-6380-2110

Two faces, same treatment, different results.

The difference is the design. Tell us your goals and dates; in your 1:1 consultation Dr. Byun Jeik shows you what your face needs, and what it doesn't.

Skin booster vs collagen booster side by side

Skin booster Collagen booster
Examples at Doje Rejuran, Re2O, exosome, autologous exosome Radiesse, GOURI
Mechanism Supports hydration, repair and surface quality Stimulates collagen for density and firmness
Depth / target Superficial dermis; surface quality Dermis or deeper planes across a zone
Suits Dullness, dryness, texture, recovery Thin or lax skin, loss of firmness
Sessions Usually a short series; varies Often one to a few; varies
Downtime Small bumps or marks, typically settle in days Mild swelling or bruising, typically days
Onset Often noticed within weeks Gradual over weeks to months

When Doje combines them

The pairing “GOURI/Re2O” in Doje’s programs is a practical example: GOURI where density is needed, Re2O where surface refinement matters. Similarly, Radiesse may support the lower face while Rejuran improves skin quality on the cheeks. Combining is considered only when both deficits are present; otherwise one well-chosen product is preferred.

Which should you choose?

  • Skin booster if your skin is mainly dry, dull, sensitive or rough.
  • Collagen booster if your skin feels thinner and less firm than before.
  • Both if you notice changes in quality and firmness together.
  • Neither alone if contour loss or sagging is the main issue — filler or lifting is likely needed.

Cost

Booster plans are quoted after a 1:1 consultation, as product and number of sessions vary. Korean non-covered (비급여) aesthetic fees are set per plan; ask for a written quote.

WHY PATIENTS CHOOSE DOJE

Seoul National University

College of Medicine graduate; surgery specialist and fellow at SNU Hospital.

Award-winning injector

Merz Golden Record Award 2024 (Ultherapy) and 2023 (Belotero); one of Korea's 22 filler experts.

17 years of thread lifting

Accumulated experience behind the Doje signature lift, designed to each face.

Calm, private, personalised

A private clinic in Apgujeong Rodeo. One doctor, one patient, one plan.

Frequently asked questions

Is Rejuran a collagen booster?

Rejuran is usually grouped as a skin booster. It is a polynucleotide product used for skin quality and recovery rather than primarily for firmness.

Is GOURI a skin booster?

GOURI is a PCL-based collagen-stimulating injectable. It is used mainly for density and firmness, often paired with Re2O for surface quality.

Which is better for my 20s?

Younger skin more often needs quality and hydration, so skin boosters are a common starting point. Your actual plan depends on assessment.

How many sessions are needed?

Skin boosters are usually a short series; collagen boosters vary. Dr. Byun suggests a schedule after your consultation.

Can I combine boosters with a thread lift?

Yes. Boosters are often added to lifting plans to improve the skin over the lifted structure.

Will boosters change my face shape?

They are not designed to change contour. Shape changes come from filler or lifting.

Related at Doje Clinic

Visit Doje Clinic in Apgujeong & Cheongdam

Address

2F Dolce Vita Building, 18-6 Dosan-daero 45-gil, Sinsa-dong, Gangnam-gu, Seoul
서울 강남구 도산대로45길 18-6 돌체비타빌딩 2층

Subway

Apgujeong Rodeo Station (Suin-Bundang Line), Exit 5
About a 6-minute walk

Hours

Mon, Tue, Thu, Fri 10:00–19:00
Lunch 13:00–14:00
Sat 10:00–17:00
Closed Wed, Sun & public holidays

Medical information on this page is general education, not a diagnosis. Suitability, risks and the final plan are confirmed in a 1:1 consultation with Dr. Byun Jeik. Last updated 17 October 2026.

Plan your visit with Dr. Byun Jeik

Private 1:1 consultation in Apgujeong & Cheongdam, Seoul · 6 min from Apgujeong Rodeo Station Exit 5 · Mon, Tue, Thu, Fri 10:00–19:00 · Sat 10:00–17:00