Here's a pair of shadesPosted by Catherine Cartwright-Jones on February 6, 2005 at 18:08:21: In reply to: Catherine, she's blinding me with science! posted by Rainbow-Vanessa on February 6, 2005 at 17:28:20: Lawsone is a red-orange dye molecule, and its present in henna.Tannins are a large group of molecules that are present in lawsone, cassia obobvata, emblica officinalis, and ...... grapes, tea, wine, chocolate, blackberries, lots of other things too Tannins are plant polyphenols. Their main characteristic is that they bind and precipitate proteins. When they're in your hair gets tannin rich moosh on it, the tannins bind the keratin protein strands and strengthen them! If I understand correctly, lawsone is part of a tannin group.
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