About Methylchloroisothiazolinone (MCI)
A potent synthetic biocide and preservative, almost always used in combination with methylisothiazolinone (MI) as the blend 'Kathon CG.' MCI is an even more potent sensitizer than MI alone and is one of the most common causes of occupational contact dermatitis.
Face Moisturizer Products Containing Methylchloroisothiazolinone (MCI)
0 products found in our database.
No face moisturizer products in our database currently contain Methylchloroisothiazolinone (MCI) as a flagged ingredient. This ingredient is still commonly found in products from other categories.
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Clean Alternatives
Instead of Methylchloroisothiazolinone (MCI), look for face moisturizer products made with:
What Numbrrrz Uses Instead
Numbrrrz never uses isothiazolinone preservatives in any formulation. Our lip balms are preserved naturally by vitamin E, and our simple four-ingredient formula eliminates the need for synthetic antimicrobial preservatives.
