Re: tech stuff


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Posted by Diane on April 17, 2004 at 16:26:35:

In reply to: tech stuff posted by Catherine Cartwright-Jones on April 17, 2004 at 11:01:18:

P.S. Catherine:
Also wondered; do commercial hair dyes work in the same way?
(Chemical molecules of colour binding with the keratin). I have no
experience of chemical dyes personally. I have heard that red
pigments degrade quite quickly for whatever reason. This doesn't
happen with the lawsone molecule?

 


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