Hair-dyeing composition and hair-dyeing method using the same
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United States of America Patent
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Aug 7, 1990
Grant Date -
N/A
app pub date -
Mar 6, 1989
filing date -
Mar 18, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a hair-dyeing composition comprising geraniintannin and a water-soluble iron salt and optionally containing one or more selected from tannic acid, L-cysteine and salts thereof, sodium hydrogen sulfite, sodium sulfite, hydrolyzed product of collagen and resins for hair. The composition may be in the form of either a one-solution-type or a two-solution-type. Also disclosed is a hair-dyeing method using the said composition. The hair dyed with the composition has an almost natural and fast black color.
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