COSRX The 6 Peptide Skin Booster Serum

Potent yet gentle, this peptide-powered serum is your skin’s daily dose of firming and revitalizing care. Infused with 6 types of skin-replenishing peptides, it helps improve elasticity, smooth fine lines, and energize dull, tired skin. Designed to be the first step after cleansing or toning, it preps the skin to better absorb the rest of your routine. With a light, watery texture, it glides on effortlessly and sinks in fast—leaving your skin refreshed, plump, and primed.

This booster serum works both as a treatment and a prep step, supporting a youthful glow while strengthening the skin barrier over time. Ideal for those looking to future-proof their skincare routine with high-performance ingredients in a gentle, non-irritating formula.

✅ Key Benefits:

• Enriched with 6 types of peptides to firm, smooth, and revitalize

• Helps reduce early signs of aging like fine lines and dullness

• Enhances skin’s ability to absorb following skincare steps

• Lightweight, fast-absorbing, and non-sticky texture

• Fragrance-free, alcohol-free, and safe for sensitive skin

• Perfect for: Those with dull, tired, or aging-prone skin looking to boost elasticity and maximize skincare absorption