Cosmetic compositions for bleaching the skin
US11026877B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2016 |
| Grant date | Jun 8, 2021 |
| Priority date | — |
| Expiry date | Apr 9, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.