GLOSSARY

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.

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Psoriasis

Psoriasis is a chronic skin disorder. It often takes the form of red patches covered in flakes. Psoriasis tends to affect the knees, elbows, navel and lumbar region. It may also affect the scalp, hands or mucous membranes.