Box 1.

Background information on the Best Emollients for Eczema trial

Participants	Children with eczema aged 6 months to 11 years
Intervention	Randomised to use a lotion, cream, gel, or ointment as their only leave-on emollient for 16 weeks
Primary outcome	Patient-Orientated Eczema Measure over 16 weeks
Follow-up	Weekly questionnaires for Weeks 1–16; four weekly questionnaires thereafter. Participants could continue with their allocated emollient or switch to an alternative between Week 16 and Week 52.