CONFLICT OF INTEREST STATEMENT The authors declare that no competing interest exists. This work was funded by Unilever Research and Development. Unilever provided support in the form of salaries for authors (H.I., W.F.L., B.D., S.S.H., J.S., J.S.B., and A.E.M.), but did not have any additional role in the decision to publish, or preparation of the manuscript. REFERENCES 1, . Significance of skin barrier dysfunction in atopic dermatitis. Allergy Asthma Immunol Res. 2018; 10(3): 207–215. 2, , , , .