Topical skin care formulations comprising plant extracts

Patent metadata

Field	Value
Publication number	US-11865373-B2
Application number	US-202217980256-A
Country	US
Kind code	B2
Filing date	Nov 3, 2022
Priority date	Apr 21, 2011
Publication date	Jan 9, 2024
Grant date	Jan 9, 2024

Abstract

A method for treating a person's skin is disclosed. The method includes topically applying to the skin a composition comprising from 0.001% to 20% by weight of an aqueous, alcoholic, or aqueous-alcoholic extract from a plant extract.

First claim

The invention claimed is:

1. A method for treating acne of a person in need thereof, the method comprising topically applying to skin having acne of the person a composition comprising 1% to 3%, by weight, of an aqueous, alcoholic, or aqueous-alcoholic extract from Cudrania pubescens,
wherein the extract from Cudrania pubescens reduces lipoxygenase activity in the skin, and
wherein the skin having acne comprises oily skin.

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

3. The method of claim 2 , wherein the composition reduces skin inflammation.

4. The method of claim 1 , wherein the oily skin has coarse pores, red spots, pustules, pimples, whiteheads, or blackheads.

5. The method of claim 1 , wherein the composition reduces sebum production.

6. The method of claim 1 , wherein the extract from Cudrania pubescens reduces oxidation in the skin.

7. The method of claim 1 , wherein the composition is an emulsion.

8. The method of claim 7 , wherein the composition is an oil-in-water emulsion.

9. The method of claim 1 , wherein the composition is a cream or a lotion.

10. The method of claim 1 , wherein the composition is a solution.

11. The method of claim 1 , wherein the composition is a gel.

12. The method of claim 1 , wherein the composition is anhydrous.

13. The method of claim 1 , wherein the composition further comprises:
(a) water;
(b) a chelating agent;
(c) a moisturizing agent;
(d) a preservative; and/or
(e) a thickening agent.

14. The method of claim 1 , wherein the extract is a lyophilized extract in powdered form.

15. The method of claim 1 , wherein the extract is from the whole plant of Cudrania pubescens.

16. The method of claim 1 , wherein the extract is an alcoholic extract.

17. The method of claim 16 , wherein the alcoholic extract is an ethanolic extract.

Assignees

• Mary Kay Inc

Inventors

• Carle Tiffany
• Gan David
• Hines Michelle

Classifications

• A61K36/74

  Rubiaceae (Madder family) · CPC title

• A61K36/185

  Magnoliopsida (dicotyledons) · CPC title

• A61K36/577

  Malvaceae (Mallow family) · CPC title

• A61K8/9789 Primary

  Magnoliopsida [dicotyledons] · CPC title

• A61K2800/524

  Preservatives · CPC title