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Black Hair Dye without Silver
Pyrogallic acid
....
...... 3.5 parts
Citric acid
..
.. 0.3 parts
Boro-glycerine
..
.. 11 parts
Water
.
.. 100 parts
If the dye
does not impart the desired intensity of color, the amount of Pyrogallic
acid may be increased. The wash is applied evenings, followed in the morning
by a weak ammonia cal wash.
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