78% DARK SPOT REDUCTION in 4 WEEKS: Olay Vitamin C Face Serum is formulated with Vitamin C and 99% pure Niacinamide, which penetrates 10 layers deep and evens out skin tone, providing you with a smooth, bouncy skin with even glow INHIBITS MELANIN TRANSFER AND PRODUCTION: Melanin is a pigment produced by our body that produces hair, eye and skin pigmentation. Our Vitamin C face serum packed with 99% pure Niacinamide inhibits melanin transfer upto 68% and melanin production by 54%. EVENS OUT SKIN TEXTURE: Olay Vitamin C face serum can help improve the overall texture of the skin by promoting cell turnover and reducing the appearance of fine lines, wrinkles, and roughness. It can contribute to a smoother and more youthful-looking complexion. ANTIOXIDANT PROTECTION: Vitamin C is a powerful antioxidant that helps protect the skin against environmental stressors, such as pollution and UV damage. It can help neutralize free radicals, which can lead to premature aging and skin damage. FOR ALL SKIN TYPES: Formulated to suit normal, dry, oily and combination skin types. Our team of scientists carefully screen 1000+ ingredients and use only the top 1% to formulate products that suit all skin types, ensuring that everyone can achieve a smooth, even toned skin.