EWG Level: 3

Sulisobenzone (benzophenone-4) is a sunscreen ingredient; can cause skin and eye irritation. Does not penetrate the skin to a large degree, but enhances the ability of other chemicals to penetrate. Benzophenone ingredients absorb and dissipate UV radiation, which serves to protect cosmetics and personal care products. As part of sunscreen products, which are OTC drugs in the United States, Benzophenone-3 (Oxybenzone) and Benzophenone-4 (Sulisobenzone) protect the skin from the harmful effects of the sun.

Funtions: Sunscreen Agent; Ultraviolet Light Absorber; UV ABSORBER; UV FILTER

Allergies Concerns, “Human skin toxicant or allergen – strong evidence” “Human irritant – strong evidence (only for products for use around the eyes, on the skin, or may be aerosolized (airborne))”  (Cosmetic Ingredient Review Assessments)

Ecoloical Concerns, “Not suspected to be an environmental toxin” (Environment Canada Domestic Substance List)


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