Women who have an allergy to PPD – a colouring agent used in permanent hair dye – are more likely to be allergic to methylisothiazolinone, as well as other chemicals, such as parabens and colophonium. MI is a strong allergen, but PPD… Read more
So many everyday shampoos contain methylisothiazolinone, and possibly methylchlorisothiazolinone too, that the MI-sensitive consumer can struggle to find good, affordable shampoos – especially when first diagnosed, and additionally when requiring products free from other ingredients, such as fragrances. Here is… Read more
In our last blog, we summarised the recent final opinion from the SCCS on MI. Among the points they made, one was that in their view, there is insufficient evidence for the “… safe use of MI as a preservative in leave-on hair cosmetic… Read more
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