Mon, September 29, 2014 at 8:59 PM
[Stephanie Greenwood]

Today's Chemical:


EWG Risk Score:


What is it?

Methylisothiazolinone  is a synthetic cosmetic preservative.

Why is it a risk?

Steph's Opinion:

Although concentrations of this ingredient are typically very low in a formulation, I personally suggest avoiding this ingredient. 

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