Cos De BAHA Caffeine Niacinamide Serum New Product New, 1 bottle [Product Description] Cos De BAHA CN Caffeine Serum is a serum effective for dark circles, puffiness, and pore care. It contains 10% caffeine and 10% niacinamide. Improves dark circles and puffiness Caffeine constricts blood vessels and promotes blood circulation, reducing dark circles and puffiness. Pore care Caffeine suppresses sebum production and improves the appearance of enlarged pores. Improves skin firmness and elasticity Caffeine activates cells that produce collagen, increasing skin firmness and elasticity. Brightens skin tone Niacinamide inhibits melanin production, brightening skin tone. Dryness care Niacinamide repairs the skin's moisture barrier and prevents dryness. Shipped in simple packaging, please understand. No price reduction --- Cos De BAHA