Methylchloroisothiazolinone

Methylchloroisothiazolinone is a cosmetic ingredient used as a preservative agent. It is used in 411 products in our dataset. It carries no restriction under the EU Cosmetics Regulation annexes. PubMed carries 294 studies of its skin or topical use.

INCI nameMETHYLCHLOROISOTHIAZOLINONE
FunctionPRESERVATIVE
CAS number26172-55-4
EC number247-500-7
Prevalence411 products (0.44% of dataset)
Most used inHaircare
EU statusNo annex restriction
Scientific studies294 on PubMed (skin/cosmetic/topical)
Monthly searches8,100

Used in

Conditioners 23.8%Shampoos 20.7%Face Cleansers 18.7%Body Washes 11.2%Hair Masks 6.6%Exfoliators 1.9%

Frequently asked

What does Methylchloroisothiazolinone do in skincare?
Methylchloroisothiazolinone functions as a preservative agent in cosmetic formulas.
What products contain Methylchloroisothiazolinone?
It is most commonly found in Haircare products, especially conditioners (23.8% of its uses).

Manufacturers with experience using Methylchloroisothiazolinone

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