Is Behentrimonium Methosulfate a sulfate?

Despite 'sulfate' in its name, Behentrimonium Methosulfate is not a sulfate in the same class as harsh cleansing sulfates like SLS. It is a conditioning agent and emulsifier.

What is the origin of Behentrimonium Methosulfate?

Behentrimonium Methosulfate is typically derived from rapeseed oil, making it a plant-based ingredient, though its vegan status can depend on the specific manufacturing process.

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Behentrimonium Methosulfate

Behentrimonium Methosulfate (BTMS) is a quaternary ammonium compound derived from rapeseed oil. It functions primarily as a conditioning agent and emulsifier in cosmetic formulations. BTMS helps to detangle hair, reduce static, and leave a soft, smooth feel on both hair and skin.

NoneConditioning agentEvidence: High

BenefitModerate 1.5 / 4

Hydration

Barrier support

RiskLow 0.5 / 4

Eye irritation

Sensitization

Irritation

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

Excellent hair conditioning
Effective detangling
Reduces static
Provides a soft feel

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Frequently asked questions

Is Behentrimonium Methosulfate a sulfate?: Despite 'sulfate' in its name, Behentrimonium Methosulfate is not a sulfate in the same class as harsh cleansing sulfates like SLS. It is a conditioning agent and emulsifier.
What is the origin of Behentrimonium Methosulfate?: Behentrimonium Methosulfate is typically derived from rapeseed oil, making it a plant-based ingredient, though its vegan status can depend on the specific manufacturing process.