Ultraviolets can alter your DNA and fragment its nucleus. They also weaken the immune system. These factors increase the risks of genetic mutation, tumors, and skin cancer. By favoring free radicals and destroying collagen, UVAs also cause aging of the skin. That is why dermatologists recommend the daily application of high photoprotection. At Bioderma, we listen to your skin. Photoderm erects a double barrier to encourage immunity against the harmful effects of the sun. Photoderm Mineral SPF 50+ ranks amongst our products made with mineral filtering systems that have a protective action against UVAs and UVBs. Used according to the instructions and with other sun protection measures, the risk of skin cancer and premature aging of the skin caused by the sun is decreased. Also, Photoderm Mineral SPF 50+ protects dried skin by the sun, decrease signs of aging and protects against environmental aggressors.