Ingredients / #1789
Methylisothiazolinone
CAS: 2682-20-4 · EC: 220-239-6
Preservative
CosIng Ref: 35341
EU Restriction: V/57 2-Methyl-2H-isothiazol-3-one
V/39 Mixture of 5-Chloro-2-methyl-isothiazol-3(2H)-one and 2-Methyl-2H-isothiazol-3-one
💡 For reference only. Does not constitute medical advice.
Description
A potent preservative that prevents harmful bacteria, mold, and yeast from growing in skincare products, helping to extend their shelf life and maintain safety. It's commonly used in small concentrations in creams, lotions, and other water-containing formulations. However, it can cause allergic reactions and skin sensitization in some individuals, so products containing it should be patch-tested before regular use.
Synonyms
메칠이소치아졸리논 (ko)
MIT
メチルイソチアゾリノン (ja)
2-Methyl-2H-isothiazol-3-one
MI
Properties
✗ Fragrance
✓ Preservative
✗ Colorant
Safety Rating
INTERNAL
7/10 · High Concern
Strong sensitiser, banned in EU leave-on products
Hazard Classification (GHS/CLP)
| H-Code | Description | Category |
|---|---|---|
| H301 | 吞嚥有毒 | health |
| H311 | 皮膚接觸有毒 | health |
| H314 | 嚴重皮膚灼傷及眼損傷 | health |
| H317 | 可能引起皮膚過敏 | health |
| H318 | 嚴重眼損傷 | health |
| H330 | 吸入致命 | health |
| H400 | 對水生生物極毒 | environmental |
| H410 | 對水生生物極毒（長期） | environmental |
Found in products
Total: 352
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