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US 11,077,039 B2Granted
Topical skin lightening additive and composition with amino acids and nicotinamide compounds
AssigneeConopco, Inc.
InventorsAnita Damodaran, Annu Kumari, Nan Huang, Tingyan Mi, Bijan Harichian, Jose Guillermo Rosa
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Abstract
Skin lightening additives and personal care compositions containing amino acids and nicotinamide compounds. The compositions are useful for attaining even skin color and reducing pigmentation, age spots and discoloration.
Claims10
A topical personal care skin lightening composition comprising:
- a. skin lightening additive comprising by weight of the composition:
- i. from about 0.005 to about 1% of cystine;
- ii. from about 0.01 to about 5% of glutamine;
- iii. from about 0.01 to about 5% of glycine;
- and
- iv. from about 0.1 to about 10% of nicotinamide compound;
- and
- b. a cosmetically acceptable carrier in the form of an emulsion;
- c. wherein the pH of the composition is in the range of from about 3.5 to about 8.5;
- wherein the ratio of nicotinamide to total amino acid is about 20:1 to 50:1.
7 more elements
Dependencies are inferred from the claim text.