Kao Corporation

Naohiro Ando

Takashi Matsuo

Makoto Iijima

Yuko Nobuto

Takeshi Iizaki

Yoshimasa Takagi

A hair cosmetic article includes a composition A including an alkali agent; a composition B including an oxidizing agent; a composition C including a powdery oxidation assistant; and a hair cosmetic applicator including a container part () in which a hair cosmetic material () produced by mixing the compositions A, B and C and having a viscosity of 3 to 30 Pa&#xb7;s at 30&#xb0; C., an application part () by which the hair cosmetic material () is applied to a hair-bundle, and an extension part () having a liquid-leading passage () which communicates the container part () to the application part (). The application part () includes a discharge port () and a comb part (), and the comb part () includes a plurality of comb teeth () which are disposed substantially annularly so as to surround the discharge port ().

Hair decoration article and hair dyeing and bleaching method using same

A two-part hair dye 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.

Two-part hair dye

A two-part hair dye 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&#xb0; C. is 1 to 300 mPa&#xb7;s.

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Sumida-ku, Japan

Naohiro Ando