In addition to the surface protective activity against UVA / UVB rays (filtering systems), Photoderm MAX offers true internal biological protection thanks to Cellular Bioprotection™. This exclusive patent guarantees the preservation and stimulation of the skin's defenses (immunity) against the sun. Sun sensitive or intolerant skin Very light skin with freckles Skin subjected to extreme sun exposure (high mountains, tropics...) Adapted for normal or dry skin The abuse of the sun harms health.