What is Methylchloroisothiazolinone (CMIT): Chemical Free Living
What is methylchloroisothiazolinone?
Methylchloroisothiazolinone (CMIT) is a preservative that is found in a wide array of liquid cosmetics, personal care products and cleaning products on the market today . Its function is to inhibit the growth of bacteria  .
What products is methylchloroisothiazolinone in?
Methylchloroisothiazolinone is found in a multitude of products, including those claiming to be “natural”. The list includes cleaning products, detergents, lotions, sunscreens, shampoos, conditioners, hair coloring, body washes, mascara, shaving cream, make-up remover, liquid soaps, and baby products including wipes, lotions and shampoos .
How to tell if a product has methylchloroisothiazolinone
Methylchloroisothiazolinone may be listed as other names on product labels   including:
Kathon CG 5243 .
Risks associated with methylchloroisothiazolinone
CMIT has been linked to allergic reactions, skin, eye & lung irritation and has been restricted for use in the EU, Canada & Japan. The European Society of Contact Dermatitis has recommended that CMIT no longer be used in leave-on skin products . In Japan, the concentration of these ingredients are restricted in cosmetics . Health issues commonly linked to CMIT include: skin reactions (it is a contact allergen), skin sensitization, painful rashes and lung irritation.  .