Catherine Cartwright Jones I wrote u letter about gif but u have not responded.I am intrested in chemistry behind henna..
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Posted by atul mulay on March 25, 2000 at 07:03:12:
In Reply to: henna is red/brown but can be oxidized or percipitated to black posted by Catherine Cartwright Jones on March 24, 2000 at 08:46:58:
: People here who have tried the Kali product report that they got : absolutely pathetic results. It might work on hair, but as far as : anyone's tried here, it sure doesn't work worth a damn on skin. : I've personally tried adding black iron oxide to henna paste. The : henna stain appears to be darker when you first take off the paste, : but that darkness very quickly vanishes .... theiron oxide absolutely : does not breach the skin cells, and therefore has virtually no effect : on the henna stain color past the first day. It might work on hair : which is more porous..... it's just not happening on skin. : I've tried indigo mixes on skin .... again..... works ok in hair, but : is pretty useless on skin. The black henna indigo hair products I've : tried (and tried, and tried, and tried) just didn't work on skin. A : sad grey smudge was the best I ever got. The only people I ever heard : from who got indigo to work were in extremely hot humid climates, and : that makes the staining behave differently. : I have a complete chemistry rant on henna, how it penetrates skin and : binds, including traditional techniques to get henna black ..... but : you'll need to email me and ask for it, and be cool about copyright.
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