preservative

Methylisothiazolinone

INCI: METHYLISOTHIAZOLINONE
CAS 2682-20-4 EC 220-239-6
2-Methyl-2H-isothiazol-3-one
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Purpose

Function

Preservative (broad-spectrum biocide)
Profile

Properties

Silicone
Silicone free
Malassezia
Safe
Fungal Acne
Safe
Details

Description

2-Methyl-2H-isothiazol-3-one

Reference

Identifiers

CAS Number
2682-20-4
EC Number
220-239-6
INCI
METHYLISOTHIAZOLINONE
Category
preservative
Updated
Apr 2, 2026