The Clean Sheet
Ingredient Directory
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Methylisothiazolinone

Safety Flags
Safety Notes

Consumers should be aware that it is a potent skin sensitizer and a common allergen, particularly in leave-on products, and can cause allergic contact dermatitis.

Function & Common Use

Function

Preservative

Category

Preservative

Common In

-

Origin

-

Frequently Asked Questions

Is Methylisothiazolinone safe to use in skincare?

Methylisothiazolinone has a High concern rating. Consumers should be aware that it is a potent skin sensitizer and a common allergen, particularly in leave-on products, and can cause allergic contact dermatitis.

Is Methylisothiazolinone allowed in India?

Methylisothiazolinone is currently classified as "not specified" under Indian cosmetics regulations. No concentration limit is specified for India.

What is Methylisothiazolinone used for in cosmetics?

Methylisothiazolinone functions as: Preservative. It is commonly found in: various cosmetic formulations.

TCS Assessment
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Based on peer-reviewed safety data, regulatory status, and expert review by The Clean Sheet panel.

Regulatory Status

India (CDSCO)
Not specified
EU
Not specified
US FDA
Not specified
Korea (MFDS)
Not specified

Identifiers

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