Methylisothiazolinone

Primary Function

Preservative

Safety Verdict

Avoid

Health Score

3/10

Eco Score

3/10

Also Known As

mi, mit, methylisothiazolinone, mi

About Methylisothiazolinone

Methylisothiazolinone functions primarily as a preservative in cosmetic formulations. inhibits the growth of harmful bacteria, yeast, and mold in water-containing formulas. It is commonly used in all water-based creams, serums, lotions, cleansers, and masks for ensuring product safety, microbiological stability, and shelf life.

Formulation Role & Skin Benefits

Methylisothiazolinone is selected for formulations requiring ensuring product safety, microbiological stability, and shelf life, delivering protecting consumers from bacterial contamination during daily use.

Best suited for essential in all water-based cosmetic formulations. Typical formulation context: any cosmetic product containing water or botanical extracts.