What is Atopic Dermatitis?
A skin barrier problem
Normal skin
Atopic skin
Allergens
cannot pass
Very little water evaporates
Allergens
pass
Water evaporates
• Very little water evaporates
• Allergens unable to penetrate the skin
The skin does not fulfill its protective role :
it allows too much water to evaporate and becomes dry.
It allows allergens to enter more easily, which can trigger an inflammatory reaction