Kathon CG or isothiazolinone is a mixture of two chemicals (Chloro-2-methyl-A-isothiazolin-3-one & 2-methyl-4-isothiaszolin-3-one). It is a widely used preservative in cosmetics and commercial household prducts. It is also used as an industrial preservative for cutting fluids

Check product labels and use only ingredient labeled products that do not list this chemical or its synonyms.

If your spouse uses products that are on the list, skin-to-skin transfer may occur.

Kathon CG
Contact Allergy Links
Where is it found?
What is it?
Hints on avoiding:
Creams / Lotions
Washing materials

Contact Allergen Database

This information is provided as educational only and is
not intended to substitute for medical care or recommendations by a physician.