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UVA Critical Wavelength Testing Plus In Vivo Method Recommended By AAD

This article was originally published in The Rose Sheet

Executive Summary

In vitro critical wavelength testing should be combined with an in vivo method for determining UVA protec- tion in sunscreens, the American Academy of Dermatology opines in a set of "final" recommendations on UVA sunscreen protection published in the March Journal of the American Academy of Dermatology.

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