From: "D.J. Henman" <henman at it.to-be.co.jp> >I would suggest that you study the >effect of adding an acidic organic >material such as berry juice to lime, >which is an alkali. As a soapmaker, I second this. I played around a bit with organic dyes when I first started making soap, but by the time the soap cured, the colors were mostly bleached out. I now use skin-safe minerals instead. Brina