Title:
ALTERNATE TWO-STEP TYPE HAIR DYE COMPRISING BASIC DYE AND ACIDIC DYE AND DYEING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2011046614
Kind Code:
A
Abstract:
To provide an alternate two-step type hair dye which is good in hair-dyeing power for keratin fibers such as human hair, little changes color, and is excellent in shampoo resistance and treatment resistance, and to provide an alternate two-step type hair-dyeing method using the same.
There are provided the alternate two-step type hair dye comprising the first hair-dyeing agent containing a basic dye and adjusted to pH 5 to 8, and the second hair-dyeing agent containing an acidic dye and adjusted to pH 2 to 4, wherein one of the first agent and the second agent is used for top dyeing and the other is used for post dyeing, and a dyeing method therefor.
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Inventors:
YOSHIKAWA KATSUMASA
ISOBE MASATOSHI
SUZUKI KENICHIRO
SUZUKA SUSUMU
GONDA MICHIHIRO
ISOBE MASATOSHI
SUZUKI KENICHIRO
SUZUKA SUSUMU
GONDA MICHIHIRO
Application Number:
JP2009193960A
Publication Date:
March 10, 2011
Filing Date:
August 25, 2009
Export Citation:
Assignee:
HODOGAYA CHEMICAL CO LTD
International Classes:
A61K8/34; A61Q5/06
Domestic Patent References:
| JP2001294519A | 2001-10-23 | |||
| JP2008208067A | 2008-09-11 | |||
| JP2001294519A | 2001-10-23 | |||
| JP2008208067A | 2008-09-11 |
Foreign References:
| WO2008092771A1 | 2008-08-07 | |||
| WO2008092771A1 | 2008-08-07 |