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Comment & Response
October 2017

Types of Shade Vary in Protection Just Like Sunscreens

Author Affiliations
  • 1Program for Clinical Research, Department of Dermatology, University of California-San Francisco, San Francisco
JAMA Dermatol. 2017;153(10):1070-1071. doi:10.1001/jamadermatol.2017.1718

To the Editor In their randomized clinical trial in a recent issue of JAMA Dermatology, Ou-Yang et al1 concluded that shade from a beach umbrella provides less effective sun protection than high-SPF sunscreen. We urge care in interpretation of this study. The results cannot be generalized to conclude that shade is an ineffective means of sun protection.

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