Bioderma Photoderm Mist, 150 ml, Protection against Sunlight for Women, The Bioderma Photoderm protective sunscreen is a vital part of skin care when going out into the sun. Characteristics: protects skin against UVA and UVB radiation easy to spread without leaving an oily film can also be applied to wet skin gives skin the hydration it needs How to use: Apply plenty of the product to the skin all over the body before going out in the sun. Repeat as necessary, especially after swimming or drying with a towel or in the event of excessive perspiration.