MI (2-methyl-4-isothiazolin-3-one) contained in detergents is not detectable in machine washed textiles

ConclusionIt is important to discuss the difference of risk and hazard. While MI clearly is a high hazard as a strong contact allergen, the risk depends on exposure. Regarding the risk of exposure levels for the consumer to MI in clothes it can be stated that the use of MI in laundry detergents is safe for the consumer if these products are used according to the instructions in the normal household setting machine wash.
Source: Clinical and Translational Allergy - Category: Allergy & Immunology Source Type: research