Shaping keratin fibres using oxoethanoic acid and/or derivatives thereof
US11129784B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2014 |
| Grant date | Sep 28, 2021 |
| Priority date | — |
| Expiry date | Dec 19, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/95
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for shaping keratin fibres comprising: providing a crosslinking composition, wherein the crosslinking composition comprises: an active agent, wherein the active agent is selected from the group consisting of: oxoethanoic acid, 2,2-dihydroxyethanoic acid, 2,2′-oxybis(2-hydroxy)-ethanoic acid, a derivative thereof, and mixtures thereof; and wherein the active agent has a molecular weight of 500 g/mol or less; a photocatalyst; a cosmetically acceptable carrier; and applying the crosslinking composition to keratin fibres, mechanically shaping the keratin fibres with an appliance or implement, and exposing the composition to electromagnetic radiation having a wavelength of from about 300 nm to about 750 nm. Also a related composition, use, kit and process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.