| abstract |
two-part foam hair dye. a two-part foam hair dye consisting of a first part composed of an alkaline agent, a second part composed of hydrogen peroxide, and a non-aerosol foaming container, where the first part is comprised of the components (the ) a (d), and an equivalent ratio between the anionic site of component (a) and the cationic site of component (b) (anion / cation) being greater than 1, a mass ratio between the content of component (c) and the content of component (d), ((c) / (d)) being 5 or less, and the liquid mixture having a viscosity (25 ° c) of 1 to 300 mpa .: (a) an anionic and acid surfactant carboxylic acid, (b) a polymer or copolymer having a molar fraction of quaternary diallyl dimethyl ammonium salt monomer of 70% or more, (c) 0.5 to 1.5% by weight of an oxidation dye having a metadihydroxybenzene structure and (d) 0.1 to 9 mass% of polypropylene glycol having a pm of 200 to 1200. |