Kao Corporation

Fumina Abo

Shunsuke Watanabe

Takeshi Iizaki

Keiji Monda

Bernd Nöcker

Steven Breakspear

Masahiko Watanabe

Fariba Ghiasi

Anna Neu

A dyeing composition for keratin fibers, including one or more direct dyes selected from HC Blue 18, HC Red 18, HC Yellow 16, and salts thereof, and tris-(hydroxymethyl)-aminomethane and salts thereof. A method for dyeing keratin fibers, including mixing the composition with a second aqueous composition having a pH in a range of 1 to 6 and optionally including one or more oxidizing agents to yield a ready-to-use composition having a pH in a range of 7 to 12, applying the ready-to-use composition onto the keratin fibers and leaving it for a time period in a range of 1 min to 60 min, and rinsing-off the keratin fibers and optionally shampooing the keratin fibers.

Dyeing composition for keratin fibers comprising a direct dye and an organic alkalizing agent, method for dyeing; and kit-of-parts thereof

A liquid hair dye composition comprising components (A) and (B), wherein 

Liquid hair dye composition

A liquid hair dye composition comprising the following components (A) and (B), wherein 

A liquid hair dye composition, comprising components (A) and (B), wherein the content (X) of component (A) in the composition is 1.5 mass % or more and 9.3 mass % or less, the content (Y) of component (B) in the composition is 9 mass % or more and 98.5 mass % or less, and the liquid hair dye composition satisfies the following formula (1) (with the proviso that a liquid hair dye composition which has the content of diol of 50 mass % or more and the content of water of 2 mass % or less is excluded), Y&#x2265;10.875X&#x2212;10.875 (1), (A) an azo dye of the formula (A-1), and (B) a monoalcohol and/or a diol other than alkanolamines. 

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Sumida-ku, Japan

Fumina Abo