CIR sets 10% AHA safety limit based on sun sensitivity, skin irritation data.
This article was originally published in The Rose Sheet
Executive Summary
CIR AHA SAFETY STAMP OF APPROVAL INCLUDES SUN PROTECTION PROVISO stating that products containing glycolic acid or lactic acid should be "formulated to avoid increasing the skin's sensitivity to sun" or should include a recommendation of "the daily use of sun protection" under the label's "directions for use." The Cosmetic Ingredient Review Expert Panel issued a tentative final report on the safety of the alpha hydroxy acid ingredients as used in retail products and in professional-use products at its Dec. 16-17 meeting.