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Go Khoa!!Posted by BimboGeri on August 28, 2001 at 19:32:22: In reply to: Re: Shelly... posted by Nick on August 28, 2001 at 16:29:08: The test we're trying to use is a chromatography test. As far as weknow, although we need to check, probably with natural expressions black, PPD henna will only make a black mark in the experiment, whereas henna and other safe dyes split into the colours it's made from. EG; a henna spot is greenish brown in the middle, and orange on the outside
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