Health Risks
Methylisothiazolinone, or MIT is an ingredient used in many commercial shampoos. MIT and its closely related analog, chloromethylisothiazolinone or CMIT, affect the ability of young or developing neurons to grow processes (axons and dendrites) in tissue culture.
Some studies have shown MIT to be allergenic and cytotoxic, and this has led to some concern over its use.
The CFTA (Cosmetic, Toiletry, and Fragrance Association) and the European Scientific Committee on Cosmetic Products and Non-Food Products Intended for Consumers (SCCNFP) both released reports stating that methylisothiazolinone poses no health risks to humans at the low concentrations (0.01%) used in finished cosmetic products.
Read more about this topic: Shampoo
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