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甲基异噻唑啉酮

PRESERVATIVEIrritancy 5/5 · Comedogenic –/5Prohibited / high-risk

What it is and how it is used

Potent preservative, ≤0.05%; EU-26 allergen, high sensitisation risk, banned in leave-on 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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