Methylisothiazolinone at a Glance
- Also referred to as MI, or Kathon CG (when in an ingredient blend)
- Used as a preservative when combined with methylchloroisothiazolinone
- Is a well-known skin sensitizer
- Limited use in leave-on products at 7.5 ppm (parts per million) and rinse-off products at 15 ppm when in a blend