| | | Methylisothiazolinone
Today's Chemical:
Methylisothiazolinone
EWG Risk Score:
6 What is it? Methylisothiazolinone is a synthetic cosmetic preservative.
Why is it a risk? Methylisothiazolinone is a known neurotoxin. In 2004, the European Scientific Committee on Cosmetic Products and Non-Food Products Intended for Consumers (SCCNFP) suggested that companies limit the maximum concentration to 0.01% (100 ppm). However, US companies are not required to follow this guideline. It is known to be absorbed through skin. A study at the Pittsburgh School of Medicine concluded that "Prolonged exposure to low levels of MIT and related compounds may have damaging consequences to the developing nervous system." What Type of Products is it Found in? Shampoo, conditioner, shower gel, facial cleanser, bubble bath A Few Companies that use this ingredient Suave
Eucerin
Dove
Pantene
Dermacia
Neutrogena
Method
Avon
For a full list, click here
Although no studies have proven it to be, I believe this could possibly be an estrogen mimicker. On a molecular level, it contains a benzene ring, which can mean that it could interfere with the body's estrogen receptors. As if the high neurotoxicity wasn't enough. Although concentrations of this ingredient ingredient are typically very low, I personally suggest avoiding this ingredient.
| | | | | Chemical of the Day
As you've probably noticed, although we've been adding various articles to the blog, we haven't been doing our frequent chemical updates lately. The holiday season was crazy and Stephanie had to help the team make and ship products. Now that things are back to normal again, we're back on track with Chemical of the Day and you can look forward to more frequent chemical updates. Thanks for your continued interest! | Got An Ingredient Question...
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