According to a December 2022 Warning Letter, the US Food & Drug Administration (FDA) has concerns about the lab that tested and found benzene in a number of aerosol sunscreens and other products. The letter sent to Valisure CEO David Y.Y. Light is dated Dec. 5, 2022. In the letter, FDA said its inspectors found  “methodological deficiencies” that included Valisure’s failure “to establish and document the accuracy, sensitivity, specificity and reproducibility of test methods.” FDA also...