July 2013

A Quick Tip for Methylisothiazolinone Free Hair Dye

I have had a couple of people asking me about methylisothiazolinone free hair dye.  The answer is that although I don’t know a lot about hair dyes, I don’t think that many of them contain methylisothiazolinone or methylchloroisothiazolinone in either the colour shade or the activator.  But quite a lot of them also include a conditioner, and this

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Methylisothiazolinone

I get a lot of traffic to my post about the combination of Methylisothiazolinone and Methylchloroisothiazolinone.  If you read all the comments it gets, you’d probably get the impression that this preservative system had a really big problem with sensitisation.  This would be pretty misleading.  In real life products preserved with these ingredients don’t generate unusually high

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