Zinc oxide broad spectrum UVB/UVA sunblock efficacy substantiated -- FDA.
This article was originally published in The Tan Sheet
Executive Summary
ZINC OXIDE 2%-25% BROAD SPECTRUM SUNSCREEN EFFICACY SUBSTANTIATED, FDA concludes in Nov. 4 letters to sunscreen manufacturer Johnson & Johnson and ingredient suppliers Haarmann & Reimer, SunSmart and Tioxide America. Responding to studies filed by the companies in support of Category I (safe and effective) classification for zinc oxide, FDA states: "The submitted studies provide sufficient evidence that zinc oxide blocks UV radiation in both the UVB and UVA range of wavelengths."