Low ConcernVegan

Behentrimonium Methosulfate

BTMS-50 component

Safety Notes

Positively charged conditioning emulsifier; adsorbs to negatively charged hair/skin; gentle vs quaternary ammonium compounds; COSMOS-permitted; widely used in natural hair conditioners; not irritating at standard use levels

Function & Common Use

Function

Conditioning Agent (Cationic) / Emulsifier

Concentration Limits

India (CDSCO)

No limit

EU Cosmetics Reg.

No limit

US FDA (21 CFR)

No specific 21 CFR cosmetic limit identified in source checked

Korea (MFDS)

No specific MFDS limit identified in source checked; verify if ingredient is used in a Korean functional cosmetic category

Pregnancy: No specific restriction identified in source checked; standard cosmetic use

Frequently Asked Questions

Is Behentrimonium Methosulfate safe to use in skincare?

Behentrimonium Methosulfate has a Low concern rating from The Clean Sheet. Positively charged conditioning emulsifier; adsorbs to negatively charged hair/skin; gentle vs quaternary ammonium compounds; COSMOS-permitted; widely used in natural hair conditioners; not irritating at standard use levels

Is Behentrimonium Methosulfate allowed in India?

Behentrimonium Methosulfate is currently classified as "Permitted" under Indian cosmetics regulations. No concentration limit is specified for India.

What is Behentrimonium Methosulfate used for in cosmetics?

Behentrimonium Methosulfate functions as: Conditioning Agent (Cationic) / Emulsifier. It is commonly found in: Conditioners hair masks leave-in products.

TCS Assessment

Low Concern

Data Confidence

High

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