Dyestuff composition for the gradual dyeing of hair by atmospheric oxidation and process using the same
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United States of America Patent
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Sep 27, 1994
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N/A
app pub date -
Oct 13, 1992
filing date -
Oct 13, 1992
priority date (Note) -
Expired
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Abstract
A dyestuff composition for gradually dyeing hair by atmospheric oxidation wherein the dyestuff composition contains a dye component which becomes entrapped in hair fibers when the dyestuff composition is removed from the hair and which results in the gradual development of color in the hair due to atmospheric oxidation of the entrapped dye component. Also provided is a process of employing the dyestuff composition of this invention to gradually dye hair, the dyestuff composition being removed from the hair approximately 5 minutes after its application.
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