1. Overview of studies on bland emollients: investigator‐rated good/excellent control.

Study	Comparison	Investigator‐rated good/excellent control in RR (95% CI)	Comment
Kucharekova 2003	Ceramide‐containing emollient versus regular petrolatum‐based emollient	No data regarding the primary outcome investigator‐rated good/excellent control	‐
Chu 2009	E‐DO lotion versus vehicle lotion	E‐DO: 37 responders, 12 of whom responded to E‐DO only (19%), and 25 to both (39.7%) Vehicle: 36 responders, 11 of whom responded to vehicle only (17.5%), and 25 to both (39.7%) Investigator‐rated RR 1.06 (95% CI 0.54 to 2.10)	Within‐patient study

E‐DO is a trade/product name.