In Sight: Stopping the Sun

Ecamsule (INCI: Terephthalylidene dicamphor sulfonic acid), also known as Mexoryl SX, has been used in the formulation of sun care products in Europe, Canada and other parts of the world since 1993, but only recently did it appear in a US skin care. Just this summer, Anthelios SX, a moisturizer containing the sunscreen ingredient, patented by L’Oréal, was approved by the US Food and Drug Administration for US distribution. Since that time, product manufacturers and skin care professionals have taken significant interest in the ingredient because of its full-spectrum of protection. Although there may be excitement surrounding the ingredient, however, its formulation in a skin care product other than the approved formulation remains prohibited.

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