La Roche-Posay's first retinol serum to fight the visible signs of ageing with a unique formulation for sensitive skin. Clinically proven to firm, fill smooth. Specifically formulated for those concerned with dehydration, skin irregularities (complexion) and wrinkles, but also searching for a serum suitable for sensitive skin. Key Ingredients RETINOL - Targets fine lines wrinkles. Improves appearance of uneven skin texture tone VITAMIN B3 - Soothing agent that helps keep skin soft, plump supple by improving moisture retention GLYCERIN - Intense hydration. Helps restore skin's precious moisture barrier How to use:Apply three drops of the serum to clean skin, post cleansing. Only use Retinol in the evening. Use product 2-3 times a week in the beginning, then increase to 5-7 days when skin is comfortable with Retinol.