Abstract
Sodium Lauryl Sulfoacetate is a detergent used in cosmetic products. A 12% solution of the ingredient was slightly toxic to rats in an acute oral study. No treatment-related effects of significance were noted in rats in a subchronic study at a dose of 75 mg/kg/day. Some effects were observed at 250 and 750 mg/kg/day. Minimal to slight ocular irritation occurred in rabbits when tested with 3.0% Sodium Lauryl Sulfoacetate. A diluted product tested at 1% Sodium Lauryl Sulfate was nonirritating to the genital mucosa of rabbits. No skin irritation, sensitization, or phototoxicity was noted in guinea pigs exposed to a cosmetic product containing 2% Sodium Lauryl Sulfoacetate. Cosmetic products containing up to 16% Sodium Lauryl Sulfoacetate were nonmutagenic in the Ames Salmonella/microsome assay, both with and without activation. In clinical studies, Sodium Lauryl Sulfoacetate was a mild to strong skin irritant but not a sensitizer at concentrations up to 2.0%. The irritant effects are similar to those produced by other detergents, and the severity of the irritation appears to increase directly with concentration. It is concluded that Sodium Lauryl Sulfoacetate is safe for use in cosmetic products in the present practices of use and concentration.
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