L'Oreal Critical Wavelength Criticism Disputed By P&G
This article was originally published in The Tan Sheet
Executive Summary
L'Oreal used a "flawed technical analysis" in assessing the critical wavelength method as a UVA sunscreen testing assay, Procter & Gamble asserts in May 2 comments to FDA.
You may also be interested in...
UVA Protection Provided By 10% Of Sunscreens Tested - Researcher Diffey
Only six of 59 commercially available sunscreens met the critical wavelength standard of +/-370 nm to establish efficacy against UVA light, Brian Diffey, Newcastle General Hospital, England, et al., determine in a study published in the December Journal of the American Academy of Dermatology.
UVA Protection Provided By 10% Of Sunscreens Tested - Researcher Diffey
Only six of 59 commercially available sunscreens met the critical wavelength standard of +/-370 nm to establish efficacy against UVA light, Brian Diffey, Newcastle General Hospital, England, et al., determine in a study published in the December Journal of the American Academy of Dermatology.
UVA Protection Provided By 10% Of Sunscreens Tested - Researcher Diffey
Only six of 59 commercially available sunscreens met the critical wavelength standard of +/-370 nm to establish efficacy against UVA light, Brian Diffey, Newcastle General Hospital, England, et al., determine in a study published in the December Journal of the American Academy of Dermatology.