Methylchloroisothiazolinone
Severity 8/10Editorialpreservative · also known as cmit, kathon cg
Is Methylchloroisothiazolinone safe?
Methylchloroisothiazolinone carries significant published concerns (allergy risk, irritation).
In plain language
The chlorinated partner of MIT, restricted in the EU to rinse-off products only. A leading cause of preservative contact dermatitis worldwide.
A Caredermis plain-language explanation to help you read the label — not a regulator statement. The sourced facts are the classifications and status shown on this page.
Documented concerns
Allergy risk
Editorial8/10Potent sensitizer, typically blended with MIT (Kathon CG).
Irritation
Editorial5/10Corrosive in concentrate; irritating at use levels.
Guidance by skin profile
Caredermis editorial guidance based on the concerns above — checked against the official records on every build, but not itself a regulator statement.
- Sensitive skinBest avoided
- Oily & acne-proneNo specific concern
- Dry skinNo specific concern
- PregnancyUse with caution
- Babies & kidsBest avoided
- Eczema-proneBest avoided
Products in our library containing Methylchloroisothiazolinone
- CarrefourGel shampooing douche Agrumes
- Les Cosmétiques Design ParisCrème lavante adoucissante au lait d'amande
- Derhummuld formula onion professional
- LidlChampu clasico cien
- FLORESEAROMA SENSE COCONUT
- LabellShampooing très doux Lait de Bambou Pêche Blanche
- l-orealPure Liss Système soin lissant Shampooing lissage & discipline
- CienGel de ducha 0%
- Mc BrideMan men's care Shampooing Douche 3 en 1 Ocean
- NettoShampooing Couleur
- CarrefourColor Boost Shampooing éclat absolu
- CarrefourUltra Repair Shampooing régénérant
Related ingredients
Ingredients with a similar role or shared type of concern — useful for comparing what's on your label.
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