Bioderma Photoderm Max SPF50+ Mineral Compact is a combination of anti-UVA/anti-UVB sunscreens of mineral origin which offers both optimum protection against the harmful effects of the sun (sunburn, sun intolerance, etc.) and excellent skin tolerance. This compact can be used as a normal compact powder over foundations or on a bare face for an added layer of sun protection. It not only sets the face but also provides a layer (good level) of sun protection as if you are reapplying a sunscreen over makeup. All BIODERMA products are formulated according to the ecobiology principles, which is at the heart of NAOS approach to respect the skin ecosystem and preserve its health lastingly.