Bioderma Photoderm AKN Mat SPF30 Matifying Fluid is indicated for combination or oily skin, as it mattifies and helps regulate sebum production while protectiong from UV radiation. This sunscreen biologically recreates a healthy skin’s sebum, thanks to the FluidActive patent which regulates sebum production, and improves its composition and texture. The Cellular Bioprotection exclusive patent boosts the skin’s defenses against the harmful radiations by better protecting DNA, preventing oxidative stress which in turn reduces the premature photoaging, reducing the migration of the Langerhans cells and preserving the glutathione reserves on the skin. With anti UVB protection of 30 and anti-UVA protection of 13.