Jessica’s Lab Report: Learn About Methylisothiazolinone

jlr_072416Methylisothiazolinone (meth-el-lice-oh-thigh-ah-zoh-lin-own) is a powerful synthetic preservative widely used in cosmetics and “green” cleaning products. The ingredient also won the dubious distinction of being named 2013 Allergen of the Year by the American Contact Dermatitis Society and lab studies indicate that it may be neurotoxic. There are better options for preservatives, so check out product labels on your multi-surface cleaner, laundry detergent, stain remover and dishwasher rinse aid and avoid methylisothiazolinone.

According to Environmental Working Group “Methylisothiazolinone is a widely-used preservative; has been associated with allergic reactions. Lab studies on the brain cells of mammals also suggest that methylisothiazolinone may be neurotoxic.”

Jessica says “Methylisothiazolinone in combination with Methylchloroisothiazolinone is also known by the registered tradename Kathon CG, so keep a watch out for those ingredient too.”

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