Chemical Peel Treatment at Incheon Airport Korea

Mechanism of Controlled Chemical Exfoliation

Chemical peels work by applying an acid solution that disrupts intercellular bonds between keratinocytes in the epidermis, causing controlled desquamation of damaged skin layers. The depth of penetration depends on the acid type, concentration, pH, and contact time. Superficial peels (glycolic, lactic, salicylic at 20-35%) target the epidermis only, causing exfoliation of the stratum corneum and upper spinous layer. Medium-depth peels (TCA 35%, Jessner's + TCA) reach the papillary dermis, triggering a wound-healing cascade that includes fibroblast activation and new collagen synthesis. The LHALA Fill peel used at RE:BERRY combines lactic acid exfoliation with simultaneous hyaluronic acid deposition, creating a dual-action effect: exfoliation removes damaged cells while HA fills the intercellular space, resulting in immediate plumping and hydration alongside controlled renewal.

Fischer TC, Perosino E, Poli F, Viera MS, Dreno B. Chemical peels in aesthetic dermatology: an update 2009. J Eur Acad Dermatol Venereol. 2010;24(3):281-292. doi:10.1111/j.1468-3083.2009.03409.x

Photodynamic Therapy (Gold PTT) for Acne

The Gold PTT (Photo Thermal Therapy) protocol represents a Korean innovation in chemical-photodynamic combination treatment. A photosensitizing agent containing gold nanoparticles is applied to the skin, where it preferentially accumulates in sebaceous glands due to lipophilic attraction. When activated by specific wavelengths of LED light and Genesis laser (1064nm Nd:YAG), the photosensitizer generates reactive oxygen species that damage the sebaceous gland and Cutibacterium acnes bacteria without harming surrounding tissue. Sakamoto et al. demonstrated in a randomized controlled trial that photodynamic therapy combined with topical ALA (aminolevulinic acid) photosensitizer reduced inflammatory acne lesion counts by 59% at 8 weeks versus 20% in the control group. The Genesis laser component adds a thermal collagen-tightening effect at the dermal level, improving both acne and pore appearance simultaneously. This explains why the Gold PTT + Genesis combination at RE:BERRY achieves results superior to chemical peels or lasers used independently, and why it pairs effectively with comprehensive acne treatment protocols.

Sakamoto FH, Lopes JD, Anderson RR. Photodynamic therapy for acne vulgaris: a critical review from basics to clinical practice. J Am Acad Dermatol. 2010;63(2):183-193. doi:10.1016/j.jaad.2009.09.056

Lactic Acid Peels and Skin Barrier Function

Among alpha-hydroxy acids used in chemical peels, lactic acid offers unique advantages for Asian skin types. Unlike glycolic acid which has the smallest molecular size and penetrates rapidly (risking uneven penetration and irritation), lactic acid's larger molecular weight provides more controlled, even exfoliation. Smith et al. conducted a randomized study comparing lactic acid peels versus glycolic acid peels in 60 patients with photodamaged skin (Fitzpatrick II-V). Lactic acid peels produced equivalent improvement in skin texture and hyperpigmentation at 12 weeks but with 43% fewer adverse events (erythema, burning, post-inflammatory hyperpigmentation). Importantly for Asian patients, the risk of PIH (post-inflammatory hyperpigmentation) was significantly lower with lactic acid (4%) versus glycolic acid (12%). Lactic acid also has a natural moisturizing effect as it is a component of the skin's own natural moisturizing factor (NMF), which is why the LHALA Fill peel at RE:BERRY creates a hydrating sensation rather than the tightness associated with traditional peels. This makes lactic acid-based peels particularly suitable for patients with dehydrated skin who want both exfoliation and hydration.

Smith WP. Epidermal and dermal effects of topical lactic acid. J Am Acad Dermatol. 1996;35(3 Pt 1):388-391. doi:10.1016/S0190-9622(96)90602-7

Combination Protocols for Enhanced Outcomes

Korean aesthetic medicine emphasizes combination protocols that layer multiple treatment modalities within a single session for synergistic effects. For chemical peels, this means pairing acid exfoliation with complementary technologies: LED phototherapy for anti-inflammatory effects, Genesis laser for collagen stimulation, Cryo Care for post-peel soothing and pore tightening, and LDM ultrasound for enhanced product penetration and barrier recovery. This multi-step approach is the distinguishing feature of Korean peel protocols versus Western single-acid applications. The Student Acne Care package at RE:BERRY ( 000 for 10 sessions) exemplifies this approach, combining scrubber extraction, chemical exfoliation, and cryotherapy in each session for progressive acne clearance without the aggressive downtime of deep single-application peels. For patients seeking more comprehensive skin renewal, the Berry Dual Toning Package ( 000 for 10 sessions) adds PicoSure and Genesis laser toning to the chemical peel foundation.