Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasunari Nakama0
Katsuo Hashimoto0
Koichi Kinoshita0
Masatoshi Ochiai0
Haruhiko Inoue0
Katsunori Yoshida0
Date of Patent
January 23, 2007
0Patent Application Number
105023560
Date Filed
January 28, 2002
0Patent Primary Examiner
Patent abstract
A hair dye composition comprising a component (A), which is a specified long-chain acyl sulfonic acid salt anionic surfactant, in an amount of 0.1 to 10.0 wt. %; a component (B), which is an aliphatic alcohol, in an amount of 0.25 to 25.0 wt. %; and a component (C), which is an acid dye and/or a natural dyestuff. The hair dye composition is stable even in a strongly acidic region (pH 1.5 to 4.5) where it exerts a dyeing effect. It has an appropriate viscosity and provides excellent sensation upon use. Furthermore, the composition can be easily rinsed off after use thereof.
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