— Free U.S. shipping on every order— USDA Certified Organic— Made in the USA— Vitamin E in every tube— Small-batch lip balm— Free U.S. shipping on every order— USDA Certified Organic— Made in the USA— Vitamin E in every tube— Small-batch lip balm— Free U.S. shipping on every order— USDA Certified Organic— Made in the USA— Vitamin E in every tube— Small-batch lip balm
Cross-Reference Analysis

Methylchloroisothiazolinone (MCI) in Face Moisturizer

Which face moisturizer products contain Methylchloroisothiazolinone (MCI), and what are the risks?

Hazard Score

8/10

Products Found

0

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.

Full ingredient analysis
Banned in EURestricted in CanadaFDA: Still permitted in US cosmetics at any concentration. No restrictions despite being banned in EU leave-on cosmetics and heavily restricted in rinse-off products.
8
Avoid

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.

View all products with Methylchloroisothiazolinone (MCI)

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Clean Alternatives

Instead of Methylchloroisothiazolinone (MCI), look for face moisturizer products made with:

potassium sorbate
sodium benzoate
ethylhexylglycerin
tocopherol (vitamin E)
rosemary extract

What Numbrrrz Uses Instead

Numbrrrz never uses isothiazolinone preservatives in any formulation. Numbrrrz helps moisturize and condition dry lips, soften their feel, and lock in moisture.

FAQ

Why is Methylchloroisothiazolinone (MCI) used in face moisturizer products?
Extremely effective broad-spectrum preservative at very low concentrations. The MCI/MI blend (Kathon CG) is one of the most cost-effective preservation systems available.
How many face moisturizer products contain Methylchloroisothiazolinone (MCI)?
In our database, 0 face moisturizer products contain Methylchloroisothiazolinone (MCI) as a flagged ingredient. The actual number on the market is likely much higher, as our database covers major brands but not every product available.
Is Methylchloroisothiazolinone (MCI) more dangerous in face moisturizer than other products?
Risk depends on exposure route and frequency. Face Moisturizer products are applied to the skin, where ingredients can be absorbed into the bloodstream. Daily exposure dramatically increases risk of developing contact allergy. Strongly avoid.
What is a safe alternative to face moisturizer with Methylchloroisothiazolinone (MCI)?
Look for face moisturizer products that use potassium sorbate, sodium benzoate, ethylhexylglycerin instead of Methylchloroisothiazolinone (MCI). Numbrrrz lip balm uses only organic, food-grade ingredients and contains zero flagged chemicals.
Numbrrrz lip balm — only four clean ingredients

Methylchloroisothiazolinone (MCI)-Free Face Moisturizer Exists.

Numbrrrz lip balm is made with only four organic, food-grade ingredients. No Methylchloroisothiazolinone (MCI). No compromise.