Essopi Retinol Treatment Serum 3X is a lightweight, antioxidant-rich serum, designed to even tone, smooth and firm skin. Retinol based and enriched with caffeine, this serum boosts radiance and neutralizes free radicals with 90% green tea polyphenols. Sagging skin is lifted, hyperpigmentation is diminished and rough areas become soft and smooth, and luminosity is restored. Retinol Concentration 0.3%