COSRX The 6 Peptide Skin Booster Serum

Treat

AM/PM

Array

Dewy Glow

100% Fragrance-Free

Formulated at physiological skin pH (6.0–6.5), this multi-peptide complex contains delicate peptide amide linkages and Copper Tripeptide-1 (GHK-Cu). Co-administering or layering directly with low-pH chemical exfoliants (AHA/BHA < pH 3.8) or unbuffered pure L-Ascorbic Acid (< pH 3.5) causes rapid acid hydrolysis, cleaving the peptide bonds and rendering the biomimetic matrix therapeutically inert. Additionally, free dissociated copper ions in an acidic environment can trigger acute cutaneous erythema, vasomotor flushing, and localized irritation. Protocol Mandate: Separate into discrete routine windows (e.g., Peptide Booster in AM, direct acids or pure Vitamin C in PM) or alternate nights. Egyptian Environmental Safeguards: Observe a mandatory 2 to 3-minute absorption interval before applying subsequent viscous creams or sunscreens to eliminate cosmetic pilling under peak Mediterranean humidity and high ambient temperatures (38–42°C). Furthermore, this non-keratolytic booster does not accelerate cellular turnover; immediate micro-papules denote barrier friction or clashing actives rather than dermatological purging.

Niacinamide (Vitamin B3 ≤ 5%) & Sebum Regulators, Multi-Molecular Hyaluronic Acid & Polyglutamic Acid Complexes, Centella Asiatica, Madecassoside & Asiaticoside Soothing Fractions, Ceramides (NP, AP, EOP), Phytosphingosine & Barrier Lipids, Biomimetic Squalane & Non-Comedogenic Botanical Fatty Acids, Ectoin & Fermentation Lysates (Bifida, Galactomyces), Topical Retinoids (Tretinoin, Retinal, Retinol layered sequentially post-absorption), Broad-Spectrum Photoprotective Sunscreens (SPF 50+ / PA++++ Chemical & Mineral Shields), Epidermal Growth Factors (EGF) & Bio-Identical Peptides, PDRN (Polydeoxyribonucleotide) Dermal Cellular Restorers