Invention Grant
- Patent Title: Method for straightening human hair fibers using heating means and an a-keto acid derivative
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Application No.: US13752663Application Date: 2013-01-29
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Publication No.: US10561216B2Publication Date: 2020-02-18
- Inventor: Gérard Malle , Philippe Barbarat , Isabelle Pasini
- Applicant: L'OREAL S.A.
- Applicant Address: FR Paris
- Assignee: L'OREAL
- Current Assignee: L'OREAL
- Current Assignee Address: FR Paris
- Agency: The Marbury Law Group, PLLC
- Priority: FR0651909 20060524
- Main IPC: A61Q5/04
- IPC: A61Q5/04 ; A45D7/06 ; A61K8/362 ; A61K8/73 ; A61K8/365 ; A45D2/00
Abstract:
The invention concerns a method for straightening keratinous fibers including: (i) a step of applying on the keratinous fibers a hair straightening composition containing at least one alpha-hydroxy and/or keto acid derivative, the pH of said composition being not more than 9 (ii) a step of increasing the temperature of the keratinous fibers, using heating means, to a temperature ranging between 110 and 250° C.
Public/Granted literature
- US20130139845A1 METHOD FOR STRAIGHTENING KERATINOUS FIBERS USING HEATING MEANS AND AN ACID DERIVATIVE Public/Granted day:2013-06-06
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