It's a preservative widely used in skincare. It became notorious in 2013 after it was found that it was to blame for a worrying increase in skin sensitivities such as eczema & doctors called for it to be banned. Following the TV programme 'Watchdog' the following companies removed the preservative from their products:
Piz Buin Vaseline Brylcreem Huggies Nivea
The following brands revealed that they would continue to use MI for as long as it remains approved by Europe.
Palmer’s Cocoa Butter Umberto Giannini Boots Botanics conditioner Boots Fruit Essence dry ends shampoo L’Oréal Paris Revitalift Day Cream SPF30 Dove Men+Care Face Wash Sensitive Dove Deeply Nourishing Body Wash St Ives Naturally Clear Apricot Scrub Blemish Fighting Radox Shower Smoothies Spirit Booster Charles Worthington