Potionshop have no methylisothiazolinone (M1) in their products!!! by bernie. Posted on July 23, 2013 Doctors call for ban on face cream chemical. Dermatologists blame Mi for 10% of skin allergies. Clarins, L’Oreal, Nivea, Molton Brown, Piz Buin are said to use. See http://www.dailymail.co.uk/health/article-2357697/Doctors-ban-face-cream-chemical-blamed-epidemic-skin-allergies.html by bernie Getting creative Where potionshop started!!