Re: Henna chemistry
Posted by Catherine Cartwright Jones on September 07, 1999 at 15:23:57:
In Reply to: Re: Henna chemistry posted by Matthew on September 07, 1999 at 06:00:13:
That also points to why metallic salts turn up in analysis of
pre-mixed henna pastes......it makes the henna darker, but I think
some of them are pretty toxic....