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METHYLISOTHIAZOLINONE

甲基异噻唑啉酮

Also known as 2-Methyl-2H-isothiazol-3-one

CAS 2682-20-4EC 220-239-6PubChem CID 39800

PRESERVATIVEIrritancy 5/5 · Comedogenic 0/5Restricted / note

What it is and how it is used

Strong preservative; high allergy risk, EU restricted for leave-on products, high formulation risk

Status in national inventories

China · Inventory of existing ingredients03333按照《化妆品安全技术规范》要求使用
China · STSC prohibited / restrictedCN-112/31准用防腐剂(表4) · 序号 31 · 最大允许浓度 0.01%
EU · CosIng35341功能 PRESERVATIVE · 限制 V/57 V/39
Korea · Safety standardsKR-2/1063附录 2 限用 · 防腐剂 · 限量 0.0015% in products that are washed off after use (However, do not use in combination with the mixture of methylchloroisothiazolinone and methylisothiazolinone.) · Do not use in other products
Brazil · ANVISABR-528/57准用防腐剂 · RDC 528/2021 第 57 项 · 最大浓度 0,0015% em produtos que se enxáguem. · -Proibido em produtos que não se enxáguem (incluindo os lenços umedecidos). -A utilização da mistura de methylchloroisothiazolinone e methyl

Matched on the exact INCI name; salts, esters and synonyms may be missed. The latest official text prevails.

Popular products with this ingredient 212 products

Functions from EU CosIng and the China inventory; irritancy, comedogenicity and rating are our internal reading, not a regulatory conclusion. Structure and molecular data from PubChem.

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