- Have atopic dermatitis on the head (including face, but excluding hair bearing scalp), neck, trunk (excluding groin and genitals), or limbs including palms and soles covering at least 2% of total body surface area (BSA) and up to and including 20% of total BSA at Day 1. At least 2% of the total BSA will need to be on the head (including face, but excluding hair bearing scalp), neck, trunk (excluding groin and genitals), or limbs (excluding palms and soles).