IP Library › Granted Patent US 11,026,877
Granted Patent B2
US 11,026,877 · App. 15/373,926 · Granted Jun 8, 2021

Cosmetic compositions for bleaching the skin

Inventors: Thomas Doering (Dormagen, DE); Natascha Schevardo (Erkrath, DE); Melanie Giesen (Geldern, DE)
Assignee: Henkel AG & Co. KGaA
A61K8/676A61K8/25A61K8/4946A61K8/4973A61K8/9789A61Q15/00A61Q19/02
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,026,877
App. No.
15/373,926
Granted
Jun 8, 2021
Kind
B2
Abstract

The invention relates to a cosmetic composition for bleaching the skin, which includes a) at least one oily plant extract from the Glycyrrhiza genus and b) at least one ascorbic acid ester. The invention further relates to the cosmetic, nontherapeutic use of the cosmetic composition according to the invention to treat excessive pigmentation, pigmentation disorders, age spots, and/or post-inflammatory hyperpigmentation of the skin, and to a method for producing a cosmetic skin-bleaching composition in the form of an O/W or a W/O emulsion, wherein an oily extract from licorice roots is dissolved in the water phase by the addition of an ascorbic acid ester.

Claims (12)

1. A cosmetic composition for skin bleaching, comprising

a) at least one oily plant extract from a root of Glycyrrhiza glabra using isopropyl myristate as the extracting agent, and

b) ascorbyl tetraisopalmitate,

wherein the weight ratio of components a) to b) is 10:1.

2. The cosmetic composition according to claim 1 , wherein the ascorbyl tetraisopalmitate b) comprises 0.005 to 1% by weight in terms of the total weight of the composition.

3. The cosmetic composition according to claim 1 , wherein the ascorbyl tetraisopalmitate b) comprises 0.01 to 0.2% by weight in terms of the total weight of the composition.

4. The cosmetic composition according to claim 1 , further comprising allantoin in a weight proportion of 0.01 to 5% by weight based on the total weight of the composition.

5. The cosmetic composition according to claim 1 , further comprising allantoin in a weight proportion of 0.1 to 1% by weight based on the total weight of the composition.

6. The cosmetic composition according to claim 1 , further comprising at least one silicone in a weight proportion of 0.05 to 20% by weight based on the total weight of the composition.

7. The cosmetic composition according to claim 1 , further comprising at least one silicone in a weight proportion of 0.5 to 12.5% by weight based on the total weight of the composition.

8. The cosmetic composition according to claim 1 , further comprising at least one active antiperspirant substance in a weight proportion of 3 to 40% by weight based on the total weight of the composition.

9. The cosmetic composition according to claim 1 , wherein the composition is in the form of a solution, an emulsion of a water-in-oil (W/O) or oil-in-water (O/W) type, a multiple emulsion of a water-in-oil-in-water (W/O/W) or oil-in-water-in-oil (O/W/O) type, a hydrodispersion or lipid dispersion, a gel, a solid stick, and/or an aerosol.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 6, 2017
From: DOERING, THOMAS; SCHEVARDO, NATASCHA; GIESEN, MELANIE
To: HENKEL AG & CO. KGAA
Reel/Frame 041631/0985 →
Priority Claims (1)
DE 10 2014 211 185.4 · Jun 11, 2014 · national
Continuity (2)
Continuation PCTEP2015061954 · May 29, 2015
Related Publication 20170087082A1 · Mar 30, 2017