Counteracts the signs of skin aging and reduces even deep wrinkles Vichys LIFTACTIV Retinol Specialist Serum counteracts the signs of skin aging. Even deep wrinkles are softened thanks to retinol and probiotic extracts. The formula of this anti-wrinkle serum with 0.2% pure retinol accelerates cell renewal to combat deep wrinkles. The anti-aging effect of retinol is further enhanced by the serums formulation with probiotic extracts. This anti-aging serum works best overnight. It is fragrance-free and silicone-free, making it particularly suitable for sensitive skin. Application: Vichys anti-aging serum works best overnight. As it is an active product, initial redness and tightness may occur. During the first week, apply 2-3 drops of the retinol serum on two evenings a week. In the second week, apply it every other evening. If well tolerated, from the third week onward, apply a few drops of the serum to the skin every evening. For an effective anti-aging routine, we recommend the LIFTACTIV Collagen Specialist Night Cream and, for daytime use, the CAPITAL SOLEIL UV-Age Daily SPF 50+ Day Cream with sunscreen. Direct sun exposure should be avoided.