Isothiazolinone are well-known preservatives with a broad range of usage, cosmetic as well as occupational. Allergic reaction to 2-Butyl-1,2-benzisothiazolin-3-one (BBIT, CAS n° 4299-07-4) has been scarcely reported but this biocide seems to be present in many types of products. It is not allowed in cosmetics. [...]
Jacobs, M.-C., & Herman, A. (2020). Contact dermatitis from 2-butyl-1,2-benzisothiazolin-3-one in a cutting fluid. Contact dermatitis, 83(5), 414-415. https://doi.org/10.1111/cod.13624 (Original work published 2020)