Re: Hi there!
Posted by Catherine Cartwright Jones on June 6, 2002 at 10:28:14:
: couple of pennies into his henna the night before. Is this an old
: wives tale passed down from his mother, or is there some scientific
: reasoning behind this? He says the copper makes his henna darker.
Metallic salts (read: rust or oxidation) DO improve the stain of most
vegetable based dyes, and I'd not be suprised to see that copper makes
the henna dye a bit darker. However, copper salts are poisonous, so
I'd look for other ways of darkening henna.
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