Advanced Eye Serum features a 360 stainless-steel roller-ball applicator that delivers a refreshing, cooling sensation. Infused with 8% Caffeine, 8% Retinol, Hyaluronic Acid, and Niacinamide, this powerful serum targets dark circles and puffiness while deeply hydrating the delicate under-eye area. It enhances blood circulation, constricts blood vessels, and improves skin texture, resulting in a smoother appearance. Experience a visible reduction in fine lines and a revitalized look with every use. 8% Caffeine + 8% Retinol 1. 8% Caffeine is a powerful antioxidant that scavenges free radicals and improves metabolism, thus easing aging. 2. 8% Retinol can effectively inhibit melanin synthesis, anti-aging, promote collagen synthesis effect, can increase skin elasticity and firmness.