Method for straightening human hair fibers using heating means and an a-keto acid derivative

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 increasin...

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Bibliographische Detailangaben
Hauptverfasser:	Barbarat, Philippe, Pasini, Isabelle, Malle, Gérard
Format:	Patent
Sprache:	eng
Schlagworte:	HAIRDRESSING OR SHAVING EQUIPMENT HAND OR TRAVELLING ARTICLES HUMAN NECESSITIES HYGIENE MANICURING OR OTHER COSMETIC TREATMENT MEDICAL OR VETERINARY SCIENCE PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:	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.