COSRX The 6 Peptide Skin Booster Serum is a versatile and dermatologically tested serum infused with a powerful 6 peptide complex and suitable for all skin types. It’s a multitasking serum that stimulates collagen production to restore skin elasticity, all while brightening the skin and providing pore care. It contains niacinamide for a revitalised complexion, along with hyaluronic acid and allantoin to ensure hydrated, moisturised skin. With its watery texture, it absorbs effortlessly, leaving the skin with a refreshing sensation.