Behentrimonium Methosulfate

Behentrimonium Methosulfate is a cosmetic ingredient used as an antistatic, hair conditioning agent. It appears in about 1% of cosmetic products in our 90,000+ product dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex). PubMed carries one study of its skin or topical use.

INCI nameBEHENTRIMONIUM METHOSULFATE
FunctionANTISTATIC, HAIR CONDITIONING, SURFACTANT - CLEANSING
CAS number81646-13-1 / 241148-21-0
EC number279-791-1
Prevalence896 products (0.97% of dataset)
Most used inHaircare
EU statusRestricted (annex )
Scientific studies1 on PubMed (skin/cosmetic/topical)
Monthly searches1,900

Used in

Conditioners 31.8%Hair Masks 22.9%Leave-in Conditioners 9.8%Styling Creams & Sprays 4.8%Leave-in Treatments 4.7%Shampoos 3.8%

Frequently asked

What does Behentrimonium Methosulfate do in skincare?
Behentrimonium Methosulfate functions as an antistatic, hair conditioning agent in cosmetic formulas.
Is Behentrimonium Methosulfate allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain Behentrimonium Methosulfate?
It is most commonly found in Haircare products, especially conditioners (31.8% of its uses).

Manufacturers with experience using Behentrimonium Methosulfate

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