Methylisothiazolinone
Also known as MI
A preservative that is a common cause of allergic skin reactions. Banned in leave-on products in some markets.
- Irritation
- Common irritantA frequent cause of irritation or allergy.
- Pore-clogging
- Not established
- Pregnancy
- No specific caution flagged.
Other names on labels
MIT
More preservative ingredients
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Try the dupe finderFor information only, not medical advice. Always patch-test new products and see a dermatologist for skin conditions.