Temporary hair dyes containing a dispersant, titanium black, pig

Details Temporary hair dyes containing a dispersant, titanium black, pig Temporary hair dyes containing a dispersant, titanium black, pig

1996-11-27

1998-03-31

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing involving animal-derived natural fiber material ,...

Hair dyeing

8405, 8554, 86371, A61K 713

Patent

active

057333440

ABSTRACT:
The present invention provides a temporary hairdye which is excellent in dispersion stability of a pigment even after storage over a long period of time by dispersing titanium black, which is safe to a human body, in alcohol having 4 or less carbon atoms, primarily ethanol by using an N-methacryloylethyl-N,N-dimethylammonium..alpha.-N-methylcarboxybetain.but yl methacrylate copolymer. Further, there can be prepared a temporary hairdye which increases dispersion stability of the pigments and provides a different hue by subjecting titanium black and other pigments, particularly iron oxide type pigments such as iron oxide red, black iron oxide and yellow iron oxide to dispersion treatment together.

REFERENCES:
patent: 5403357 (1995-04-01), Tsujino
patent: 5597386 (1997-01-01), Igarashi et al.

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