BENZISOTHIAZOLINONE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

BENZISOTHIAZOLINONE

Safety grade: A

Benzisothiazolinone is a man-made chemical that kills bacteria and prevents mold and mildew from growing. It's commonly used in personal care products to keep them fresh and safe from microbial contamination.

This ingredient protects cosmetic and personal care products by preventing the growth of bacteria, fungi, and other microorganisms that could cause spoilage or contamination.

Graded using: COSING.

Last verified: May 26, 2026