Two-part hair dye

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/81 (2006.01) A61K 8/22 (2006.01) A61K 8/44 (2006.01) A61Q 5/10 (2006.01)

Patent

CA 2750293

A two-part hair dye which is composed of a first part containing an alkali agent, a second part containing hydrogen peroxide, and a non-aerosol foamer container for discharging a liquid mixture of the first part and the second part in the form of a foam, the liquid mixture containing the following components (A) and (B): (A) a polymer or copolymer containing 70% or more mole fraction of diallyldimethyl quaternary ammonium salt monomer, and (B) an N-acylamino acid salt, an N-acyl-N-alkylamino acid salt, or an ether carboxylic acid salt, wherein, an equivalent ratio of the anion site of the component (B) to the cation site of the component (A) (anion / cation) is more than 1, and a viscosity of the liquid mixture at 25°Cis 1 to 300 mPa.s.

La présente invention concerne un produit de colorant capillaire du type à deux composants qui est constitué d'une première préparation contenant un agent alcalin, une seconde préparation contenant du peroxyde d'hydrogène, et un distributeur moussant non aérosol pour débiter le mélange liquide de la première préparation et de la seconde préparation sous la forme d'une mousse. Le mélange liquide contient les composants (A) et (B) suivants: (A) un polymère ou copolymère présentant une fraction molaire de monomère de sel d'ammonium quaternaire de diallyldiméthyle égale ou supérieure à 70% ; (B) un sel de l'acide N-acylamino, et un sel de l'acide N-acyl-N-alkylamino ou un sel d'acide carboxylique d'éther. Le rapport équivalent du site anionique du composant (B) sur le site cationique du composant (A) (anion/cation) est supérieur à 1, et le mélange liquide présente une viscosité à 25°C comprise entre 1 et 300 mPa·s.

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