Do Eco-Max products contain Methylisothiazolinone preservative? 10 June 2020 18:04 Updated Eco-Max products do not contain Methylisothiazolinone ("MIT"). Related articles What are essential oils? Do Eco-Max products contain phosphates? What is the difference between Eco-Max Laundry Wash and Eco-Max Sport Detergents? Is Eco-Max a member of the RSPO? Can I use Eco-Max laundry products in hot and cold water?