he COSRX The 6 Peptide Skin Booster Serum is a high-performance serum formulated with 6 different peptides to support skin firmness, elasticity, and overall health. Enriched with Hyaluronic Acid and Panthenol, it deeply hydrates, strengthens the skin barrier, and helps reduce fine lines and wrinkles. Suitable for all skin types, this lightweight serum absorbs quickly to leave skin smooth, plump, and revitalized.