IP Library Granted Patent US 11,865,202
Granted Patent B2
US 11,865,202 · App. 16/998,820 · Granted Jan 9, 2024

Combination of plant extracts to improve skin tone

Inventors: Tiffany Florence (Dallas, TX); David Gan (Southlake, TX); Michelle Hines (Hickory Creek, TX)
Assignee: MARY KAY INC.
A61K8/97A61K8/4926A61K8/9789A61K36/48A61P17/00A61Q19/00A61Q19/02A61K2800/30A61K2800/5922
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Quick Facts
Patent No.
US 11,865,202
App. No.
16/998,820
Granted
Jan 9, 2024
Kind
B2
Abstract

A method of whitening skin or evening out skin tone is disclosed. The method can include topically applying to skin in need of treatment a composition comprising an effective amount of an extract of white navy bean, wherein topical application of the composition whitens skin or evens out skin tone.

Claims (13)

1. A method of whitening skin or evening out skin tone, the method comprising topically applying to skin in need of treatment a composition comprising an effective amount of an aqueous extract of adzuki bean that is not an extract of germinated adzuki bean and is not an extract of fermented adzuki bean, the effective amount being an effective amount to reduce melanogenesis activity in the skin, wherein topical application of the composition to the skin whitens the skin or evens out the skin tone by reducing melanogenesis activity in the skin.

2. The method of claim 1 , wherein the composition is applied to hyperpigmented skin.

3. The method of claim 1 , wherein the composition is applied to melasmic skin.

4. The method of claim 1 , wherein the composition is applied to an age spot or freckle.

5. The method of claim 1 , wherein the composition includes 0.1 to 5 wt. % of the extract of adzuki bean.

6. The method of claim 1 , wherein the composition does not include an ecdysteroid and does not include a flour or a flour phase.

7. The method of claim 1 , wherein the composition does not include a bean or extract thereof other than adzuki bean.

8. The method of claim 1 , wherein the composition is in liquid form.

9. The method of claim 1 , wherein the composition is formulated as an emulsion.

10. The method of claim 9 , wherein the emulsion is an oil-in-water emulsion.

11. The method of claim 1 , wherein the composition is formulated as a cream or lotion.

12. The method of claim 1 , wherein the composition is formulated as a gel.

13. The method of claim 1 , wherein the aqueous extract of adzuki bean is an aqueous extract of adzuki bean powder.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 26, 2024
From: MARY KAY INC.
To: ALLUSTRA TECHNOLOGIES LLC
Reel/Frame 069414/0659 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 20, 2020
From: FLORENCE, TIFFANY; GAN, DAVID; HINES, MICHELLE
To: MARY KAY INC.
Reel/Frame 053555/0884 →
Continuity (5)
Continuation 15828694 · Dec 1, 2017
Continuation 14827835 · Aug 17, 2015
Division 13720557 · Dec 19, 2012
Provisional Application 61577462 · Dec 19, 2011
Related Publication 20210038497A1 · Feb 11, 2021