Reply to comments made by M Donnarumma et al. "Comment on "Acne and nutrition: hypotheses, myths and facts" published by our expert group in 2018.

Donnarumma et al. report results from a retrospective survey about nutrition habits and the relationship to acne in 92 subjects from the region of Naples, Italy to investigate allegations made in our publication "Acne and nutrition: hypotheses, myths and facts".(1, 2). The authors used a questionnaire developed for assessing diet and obesity indexes among high risk subjects.(3) The questionnaire was used in patients with mild-to moderate acne and in an undefined control group. This article is protected by copyright. All rights reserved.