Loading patent…
AssigneeAvon Products, Inc.
InventorsArvind N. Shah, Uma Santhanam, Sungham Yim
Estimating the term…
Embodiments of the invention are generally directed to compositions comprising lightening agents, nicotinamide and 3,3′-thiodipropanoic acid, in a cosmetically acceptable vehicle, articles of manufacture, and methods of use thereof. The compositions and methods of described herein are effective to lighten an area of skin in need of lightening, such as but not limited to, a subject having overall dark complexion, pigmented skin discoloration, freckles, age spots, liver spots, sun damage, tans, pigmented acne marks, scars, pigmented birthmarks, hyperpigmentation, post-inflammatory hyperpigmentation, post-injury hyperpigmentation, melasma, cholasma, after-burn scar, nail stain, yellowing of skin, dark circles under eyes, and the like. The composition may include additional ingredients accordingly for a colored cosmetic, moisturizer, cleanser, toner, and the like.
A topical composition for reducing pigmentation in human skin, comprising:
A method for reducing pigmentation in human skin, comprising topically applying to the skin a composition comprising from about 0.01% to about 10% (w/w) 3,3′-thiodipropionic acid, or a salt of ester thereof, and from about 0.01% to about 10% (w/w) nicotinamide, or a salt or derivative thereof, in a cosmetically or dermatologically acceptable vehicle, for a time sufficient to reduce the appearance of pigmentation in the skin.
A method of reducing unwanted melanin pigmentation in the skin comprising topically applying to an area of the skin suffering from unwanted pigmentation a composition comprising from about 0.01% to about 2.5% (w/w) 3,3′-thiodipropionic acid, or a salt thereof, and from about 0.01% to about 2.5% (w/w) nicotinamide, or a salt thereof.
Dependencies are inferred from the claim text.