The one you buy in Holland and Barrett is yellow anyway, and that is only 3ppm, but I understood pale yellow is ok, only other colours i.e. Red, purple etc., are bad. Dee
-------Original Message------- From: Faith Gagne Date: 24/06/2008 22:27:36 To: silver-list@eskimo.com Subject: Re: CS>CS colour I was advised not to ingest it if it turned yellow. Faith G.