US 11,026,877 B2 · Cosmetic compositions for bleaching the skin

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.

Claims9

Dependent claims

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.

Dependencies are inferred from the claim text.

Facts

Application

15/373,926Filed 9 Dec 2016 · continuation

Priority

DE 10 2014 211 185.411 Jun 2014

Published

US 2017/0087082 A130 Mar 2017

Granted

8 Jun 2021

Term ends

Not estimatedThe source records don’t support an estimate.

Classification9 codes

A61K 8/676
Vitamins: ascorbic acid, i.e. vitamin C
A61K 8/25
Containing inorganic ingredients: silicon; Compounds thereof
A61K 8/4946
With more than one nitrogen as the only hetero atom: imidazoles or their condensed derivatives, e.g. benzimidazoles
A61K 8/4973
Containing heterocyclic compounds: with oxygen as the only hetero atom

Cosmetic compositions for bleaching the skin

Life of this patent

Cosmetic compositions for bleaching the skin

Life of this patent

Abstract

Claims9