Avène Sun Lotion, 250 ml, Protection against Sunlight for Women, A protective sunscreen is a vital part of skin care when going out into the sun. Characteristics: protects skin against UVA and UVB radiation gives skin the hydration it needs the product is waterproof How to use: Apply plenty of the product to the skin all over the body before going out in the sun. Repeat as necessary, particularly after bathing, if perspiring, or after towel drying.