Types of Skin Booster Available in Korea
Skin booster (스킨부스터, seukin buseuteo — injectable treatments that improve skin quality from within) is an umbrella term covering four distinct product categories in Korean clinics. They share a delivery method — fine-needle injection into the dermis — but differ in mechanism, indication, and result. Understanding which product you are being offered matters: a clinic proposing Profhilo for severe acne scarring is recommending the wrong tool.
| Type | Mechanism | Sessions (initial protocol) | Downtime | Cost per session (KRW) |
|---|---|---|---|---|
| PDRN / Rejuran | Polynucleotides (salmon DNA-derived) stimulate fibroblast activity and collagen synthesis; repairs damaged skin matrix | 3 sessions, 2–4 weeks apart | 24–48 hrs (papule wheals) | ₩150,000–300,000 |
| HA Skin Booster (e.g. Juvederm Volite, Restylane Skinboosters) | Hyaluronic acid (HA) — a naturally occurring sugar that attracts and holds water — delivers deep dermal hydration and surface luminosity | 2–3 sessions, 4 weeks apart | 24–48 hrs (minor swelling) | ₩200,000–400,000 |
| Exosomes | Extracellular vesicles carrying growth factors and signalling proteins; promote cellular regeneration and reduce inflammation | 1–3 sessions depending on protocol | Minimal, 12–24 hrs | ₩300,000–500,000 |
| Profhilo | Ultra-high-concentration HA bioremodeller injected at five anatomical points per side (BAP technique); stimulates collagen and elastin without adding structural volume | 2 sessions, 4 weeks apart; maintenance every 6 months | Minimal, 24 hrs | ₩350,000–500,000 |
Korean clinics — particularly those in 강남 (Gangnam, Seoul’s primary aesthetic medicine district) — stock all four categories as standard, and staff are typically fluent in explaining each option to international patients. Requesting a written breakdown of the exact product name, concentration, and volume injected is reasonable practice before any session.
Rejuran and PDRN: The Korean-Origin Treatment
Rejuran is the brand name most associated with PDRN (polydeoxyribonucleotide) treatment in Korea. PDRN — the active compound — is a polynucleotide extracted from salmon DNA, which shares a high degree of structural compatibility with human DNA. When injected into the dermis (the deeper layer of skin beneath the surface), PDRN activates receptors that stimulate fibroblasts — the cells responsible for producing collagen and elastin — while also promoting tissue repair and reducing localised inflammation.
The clinical result is gradual: skin texture improves, pore appearance reduces, and fine lines become less pronounced over the weeks following a session. Rejuran does not plump tissue the way hyaluronic acid filler does, and it does not relax muscle the way botulinum toxin does. Its mechanism is regenerative, not volumising or paralytic.
Rejuran was developed and commercialised in Korea, and Korean clinics have the longest clinical familiarity with it. The product is administered via a papule technique — small, evenly spaced injections across the treatment area that create temporary raised dots (wheals) resolving within 24–48 hours. The sensation during injection is similar to mild stinging; most clinics apply topical numbing cream for 20–30 minutes beforehand.
Variants exist: Rejuran Healer (standard PDRN), Rejuran S (higher-viscosity formulation for deeper lines), and Rejuran Eye (formulated for the periorbital area, which is thinner and more delicate). A clinic recommending the correct variant for your concern is a reasonable indicator of product knowledge.
A full initial protocol of three sessions produces the most meaningful result; a single session provides some improvement but leaves the regenerative process incomplete.
Who Benefits Most from Skin Boosters
Often a good candidate
- Patients with dull, dehydrated, or uneven skin texture seeking improvement without adding volume or altering facial structure
- Patients with early-to-moderate fine lines and enlarged pores — PDRN and HA boosters address both
- Patients recovering from acne who want to reduce residual redness and skin irregularity (PDRN's anti-inflammatory properties are relevant here)
- Patients combining a skin booster with a surgical procedure on the same Korea trip, who want to address skin quality alongside structural changes
- Patients in their late 20s to 50s — the widest effective age range for preventative and corrective skin booster use
Should reconsider or wait
- Patients with active inflammatory acne — injecting through active breakouts risks spreading bacteria into the dermis; wait until the active phase resolves
- Patients expecting volume restoration — skin boosters do not replace lost fat or bone volume; that indication requires filler or surgical intervention
- Patients who can only visit Korea once and want the full three-session protocol — a single visit may allow only one or two sessions unless the trip is three weeks or longer
- Patients on blood thinners (anticoagulants) — increased bruising risk; consult your prescribing physician before any injectable treatment
Not a suitable candidate
- Patients with known allergy to salmon or fish-derived products — PDRN is salmon DNA-derived; an allergy history requires disclosure before Rejuran
- Patients who are pregnant or breastfeeding — injectable aesthetic treatments are contraindicated during pregnancy and lactation
- Patients with autoimmune skin conditions affecting the treatment area — active disease is a contraindication; discuss with a dermatologist before proceeding
Skin type and ethnicity do not limit candidacy — skin boosters are effective across all Fitzpatrick skin types (the clinical scale used to classify skin tone and UV response), and Korean clinics routinely treat the full range. The primary selection criterion is the skin concern, not the patient’s background.
Adding Skin Boosters to a Surgical Korea Trip
Skin boosters are one of the more practical additions to a surgical Korea trip because the cost increment is low, the time requirement is short (a session takes 30–45 minutes including numbing time), and the downtime does not compound significantly with surgical recovery — provided timing is managed correctly.
Timing relative to surgery. The safest windows are: seven to ten days before surgery (papule wheals resolve well before the operating date) or at least two to four weeks after surgery, once primary healing is established and swelling has significantly reduced. Same-day skin boosters with major surgery are not recommended — adding injection procedures to a body already under surgical stress is unnecessary.
Cost in context. Adding one Rejuran session to a surgical trip costs approximately ₩150,000–300,000 (≈USD$110–220 / AUD$165–330, FX rate July 2026). In comparison, the same product at a US or Australian medical spa runs USD$600–900 per session. The cost argument for completing at least one or two sessions during the Korea visit is straightforward.
Protocol realism. If your Korea trip is ten days or fewer, you will realistically complete one session before or after surgery — not the full three-session protocol. Discuss this with your clinic at the consultation stage. Some clinics structure an accelerated two-session protocol for international patients visiting for two to three weeks; ask whether this is appropriate for your skin concern.
Confirming the exact product, concentration, and session plan in writing at the pre-operative consultation removes ambiguity and ensures the skin booster schedule integrates cleanly with the surgical plan.
What is the difference between Rejuran and filler?
Rejuran (PDRN) improves skin quality but does not add volume. Filler — usually hyaluronic acid — adds structural volume to restore facial fullness. Rejuran is injected in a papule technique across the treatment area; filler targets specific anatomical locations to restore contour. A patient wanting fuller cheeks needs filler; a patient wanting improved texture and pore reduction is a candidate for Rejuran. Many patients receive both at the same appointment.
How many sessions of Rejuran do I need to see results?
The standard protocol is three sessions spaced two to four weeks apart, with cumulative improvement through session three. A single session produces some benefit but does not complete the protocol. International patients can complete sessions one and two in Korea and continue with a local provider stocking the same product. Maintenance after the initial protocol is typically once or twice per year.
Can I get skin boosters on the same day as surgery in Korea?
Same-day skin boosters with major surgery are not recommended — surgical stress plus injection procedures adds unnecessary complexity. Standard guidance: skin boosters can be done seven to ten days before surgery, or at least two to four weeks after surgery once healing is established. Combining skin boosters with non-surgical procedures such as Botox or thread lifts on the same or adjacent day is generally acceptable. Confirm timing at your pre-op consultation.