A - Human Necessities – 45 – D
Patent
A - Human Necessities
45
D
A45D 19/16 (2006.01) A45D 19/00 (2006.01) A61K 7/13 (1995.01)
Patent
CA 2137732
The invention concerns a composition for the oxidative dyeing of keratinic fibres, characterized by the fact that it consists of placing in contact, in the presence of an oxidant, keratinic fibres on which a composition has been applied containing oxidative dyes, with a gas containing water vapour, the temperature of the said gas being above 75°C, the contact time between the said gas and the said fibres to be dyed being less than two minutes. According to the invention, the hair is dyed uniformly over the entire scalp, from the roots to the ends, whatever the condition of the scalp.
L'invention concerne un procédé de teinture d'oxydation des fibres kératiniques,caractérisé par le fait qu'il consiste à mettre en contact, en présence d'un agent oxydant, des fibres kératiniques sur lesquelles on a appliqué une composition contenant des colorants d'oxydation, avec un gaz contenant de la vapeur d'eau, la température dudit gaz étant supérieure à 75°C, le temps de contact entre ledit gaz et lesdites fibres à colorer étant inférieur à deux minutes. Selon l'invention, les cheveux sont colorés de façon uniforme sur l'ensemble de la chevelure, des racines aux pointes, et ceci quel que soit l'état du cheveu.
Samain Henri
Sturla Jean-Michel
L'oreal
Robic
LandOfFree
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