Wearable Skin Sensors to Assess Nocturnal Scratch Behavior

Inclusion Criteria: * Participants with mild to moderate atopic dermatitis ages 2 years or older. This will be determined by clinical diagnosis of AD according to the Hanifin and Rajka criteria with a baseline Investigators Global Assessment score of mild (2) or moderate (3) * Systemic therapy use (e.g. oral corticosteroid, cyclosporine, methotrexate, phototherapy) within 28 days of subject enrollment * Topical corticosteroid use or topical calcineurin inhibitor use within 14 days of subject enrollment * Willingness and ability to set up an infrared video camera nightly * Willing to apply topical crisaborole twice daily to affected atopic dermatitis areas of the body Exclusion Criteria: * Active skin or systemic infection * Inability to operate a smartphone or video camera * Active atopic dermatitis on he dorsum of the hand or suprasternal notch