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GLOSSARY : Signs of age, wrinkles, firmness

Your face skin

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.

Skin barrier

The term skin barrier refers to the corneal layer – the upper layer of the epidermis – as well as the hydrolipidic film that covers it. When this hydrolipidic film is affected by a lack of water or lipids, for example, the skin no longer acts as a physical barrier. It thus becomes more permeable to allergens.

This word also belongs to the categories Sensitive, dehydrated skin, Extremely dry, irritated and atopic skin, For sensitive or sun allergy-prone skin, Sun for everyone, Dry and uncomfortable skin, Dry to very dry skin, Intolerant skin, Dry and rough skin, Children's skin and the sun, Skin prone to redness, Oily skin with imperfections, Pigmentation problems, Irritated skin, Sebaceous scaly patches, Skin sensitive to shaving.