Preserving with Methylisothiazolinone

Methylisothiazolinone (MI or MIT), a preservative used in cosmetics and other household products, recently has been in the news. Of course, preservatives are essential in almost all cosmetics to prevent the growth of microorganisms during product use, and sometimes to extend the shelf-life of a product, which of course is in the consumer’s interest. Who would want to buy a product that did not last long enough to use it all?

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