Method for permanently shaping keratin fibres, and agents

Details Method for permanently shaping keratin fibres, and agents Method for permanently shaping keratin fibres, and agents

A - Human Necessities

61

K

A61K 8/06 (2006.01) A45D 7/06 (2006.01) A61Q 5/04 (2006.01)

Patent

CA 2384892

A method for permanently shaping keratin fibres, whereby said keratin fibres are treated with an aqueous preparation of a keratin-reducing substance before and/or after mechanical shaping, initially rinsed after an exposure period, subsequently fixed with an aqueous preparation of an oxidizing agent, rinsed after another exposure period and optionally subjected to post-treatment. The inventive method is particularly efficient and mild acting when at least one of the two aqueous preparations or the first rinse takes the form of a two- phase or multiphase system containing at least one oil ingredient and/or at least one alcohol that can only be mixed with water to a limited degree and which is transformed into a homogenous system so that it can be applied to the fibres by means of mechanical movement.

L'invention concerne un procédé pour l'ondulation permanente de fibres kératiniques, dans lequel on traite les fibres avant et/ou après une ondulation mécanique, avec une préparation aqueuse d'une substance réduisant la kératine, on les rince avec un premier rinçage après un temps d'action, on les fixe ensuite avec une préparation aqueuse d'un agent d'oxydation et on les rince également après un temps d'action et on les retraite éventuellement. Ce procédé est particulièrement efficace et non agressif si au moins l'une des deux préparations aqueuses ou bien le premier rinçage se présente sous la forme d'un système bi- ou multiphase qui contient au moins un constituant huileux et/ou au moins un alcool miscible avec l'eau uniquement de manière limitée et qui est transformé en un système homogène pour l'application sur les fibres par mouvement mécanique.

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