Process for semi-permanent hair straightening and aftercare of the hair
US10383801B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2013 |
| Grant date | Aug 20, 2019 |
| Priority date | — |
| Expiry date | Oct 1, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/884
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a process for semi-permanent hair straightening and aftercare treatment and to a kit of compositions for use in this process. In the process of the present invention, the hair is firstly subjected to a straightening treatment using a straightening composition comprising at least one carboxylic acid of the formula (I): R—CO—COOH defined below and/or a hydrate thereof and/or a salt thereof. Then, a specific cleansing composition and/or a specific conditioning composition comprising at least one carboxylic acid of the formula (I): R—CO—COOH defined below and/or a hydrate thereof and/or a salt thereof are used as aftercare products in order to improve durability of the straightening effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.