More info on this in a different postPosted by Mark AKA Henna Boy on April 6, 2004 at 06:46:59: In reply to: how to determine if henna powder contains green dye? posted by Holly on April 5, 2004 at 17:05:25: : I've been looking around mehandi.com's '60x' section for the infoon : various brands of henna powder that often contain green dye to make : them look fresher... Some brands aren't always consistent, and some : exporters aren't always honest about the exact contents of "natural : henna powder"... : : That being said, I don't have a microscope handy. I hope that someone : here would know of way to do this by other means! I read somewhere : that coal tar dyes do not "rub off" of dampened paper/cloth like any : other kinds of dye might (but I can't find that info back). I have : scanned the the Forum archives (thank you elves!) but I might've : missed something. : : Thanks in advance!!! http://www.hennapage.com/henna/forum/messages/73040.html
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