GLOSSARY : Sun for everyone
Your skin in the sun
Is there a term from the field of dermatology and cosmetics that you do not understand? Would you like to know what it means? View the full definition from the La Roche-Posay glossary.
SEARCH FOR A TERM BY DERMATOLOGICAL DISORDER
Your face skin
Photosensitisation, which is an increase in the skin's sensitivity to UV radiation, is often due to a chemical substance or medicinal product. It appears as a rash. Photosensitisation may have no known cause, be induced by an external (perfume) or internal (medicine) trigger or be of genetic origin.