Bioderma Photoderm AKN Mat Sunscreen SPF 30 contains Fluidactiv patent biologically regulates the quality of sebum to prevent the clogging of pores and prevent the appearance of imperfections, which are often accentuated after periods of sun exposure. The glycolic and salicylic acids present in the formula smoothen the skin texture and help prevent the rebound effect. The sun active defence is a high-tech sun protection, reinforced against UVA rays. It combines UV filters and biological protection that improves the skin’s ability to defend itself to help maintain its health over time against the skin.