Cosrx The 6 Peptide Skin Booster Serum

COSRX The 6 Peptide Skin Booster Serum is a lightweight, non-sticky multitasker packed with six targeted peptides for hydration, brightening, and texture. While it delivers noticeable improvements in firmness and glow, patch testing is advised, especially for sensitive or acne-prone skin. Clinical trial data (20 subjects, 4 weeks): hydration 162%, texture up 76%, brightening 38%, sebum reduction ~33%.