A better life for sensitive skin

GLOSSARY : Children's skin and the sun

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.


UVB rays reach the epidermis and are responsible for sunburn. They stimulate the production of melanin and, therefore, the appearance of a tan; they also alter the DNA of skin cells. Like UVA's, UVB rays are involved in the formation of skin cancers.

This word also belongs to the categories For sensitive or sun allergy-prone skin, Sun for everyone.