A cationic detergent and antiseptic, disinfectant, and cleansing ingredient in skin-cleaning products and shampoos. It masks or decreases perspiration odors. Can be fatal if swallowed. Toxic to mice embryos when given intravenously and in food. Can be irritating to the skin and eyes. The CIR Expert Panel concludes on the basis of animal studies this ingredient is safe for use in rinse-off products, and for use at concentrations of up to 0.25 percent in leave-on products.