If atopic dermatitis (AD) continues after childhood, typical locations in young adults are the head and the neck. If the main activity of AD is in the head-neck-upper trunk region, in some cases IgE-mediated hypersensitivity to Malassezia furfur (Pityrosporum ovale) commensal yeast may play a role. If antibodies are detected, a trial with antifungals is indicated.