Composition and method for treating hyperpigmented skin
AssigneeLipo Chemicals, Inc.
InventorsNava Dayan, Jed Riemer
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Abstract
An improved cosmetic and dermatological composition and a method for treating hyperpigmented skin is disclosed. The composition demonstrates an enhanced ability to lighten mammalian skin color, and is nontoxic and nonirritating. The composition comprises a hydroxycinnamic acid or a methoxycinnamic acid dissolved in a compound having one or more hydroxy groups, like a PEG-4 through PEG-20, a monoC1-4alkyl ether of an ethylene glycol, or a monoC1-4alkyl ether of a propylene glycol oligomer, and/or a silicone fluid.
Claims25
A composition comprising about 0.01% to about 30%, by weight, of a hydroxycinnamic acid, a methoxycinnamic acid, or mixtures thereof dissolved in a compound having one or more hydroxy groups selected from the group consisting of diethylene glycol, triethylene glycol, a PEG-4 through PEG-20, dipropylene glycol, tripropylene glycol, a PPG-3 through PPG-15, an oxyethylene-oxypropylene block copolymer containing a total of about four to about twenty ethylene oxide and propylene oxide groups, and mixtures thereof.
Dependencies are inferred from the claim text.