Method for coloring hair
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 12, 2005
Grant Date -
N/A
app pub date -
Aug 22, 2000
filing date -
Aug 31, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for coloring keratin fibers is provided that includes at least two steps. In one step, the keratin fibers are treated with a pretreatment composition containing at least one substantive dye. In another step, the keratin fibers are treated with a composition containing at least one synthetic dye or synthetic dye precursor after applying the pretreatment composition.
First Claim
Family
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Cited Art Landscape
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