Ingredient Directory
Medium ConcernVegan

Cetrimonium Bromide

Hexadecyltrimethylammonium bromide

Safety Flags
Allergen: Yes
Safety Notes

Quaternary ammonium compound with broad-spectrum antimicrobial activity; cytotoxic at higher concentrations; can cause eye and mucous membrane irritation.

Function & Common Use

Function

Preservative, Antistatic, Surfactant, Hair conditioning

Category

Preservatives

Common In

Hair conditioners, shampoos, antiseptic creams, skin tonics

Origin

Synthetic

Concentration Limits

India (CDSCO)

0.1%

EU Cosmetics Reg.

0.1%

US FDA (21 CFR)

None (GMP; used as hair conditioner/preservative)

Korea (MFDS)

0.1%

Format restriction: None specific; avoid eye contact at higher concentrations

Baby restriction: No

Pregnancy: No

IFRA: No

Frequently Asked Questions

Is Cetrimonium Bromide safe to use in skincare?

Cetrimonium Bromide has a Medium concern rating. Quaternary ammonium compound with broad-spectrum antimicrobial activity; cytotoxic at higher concentrations; can cause eye and mucous membrane irritation.

Is Cetrimonium Bromide allowed in India?

Cetrimonium Bromide is currently classified as "Permitted" under Indian cosmetics regulations. The maximum permitted concentration is 0.1%.

What is Cetrimonium Bromide used for in cosmetics?

Cetrimonium Bromide functions as: Preservative, Antistatic, Surfactant, Hair conditioning. It is commonly found in: Hair conditioners, shampoos, antiseptic creams, skin tonics.

Can Cetrimonium Bromide cause an allergic reaction?

Yes. Cetrimonium Bromide has an allergen flag (Yes). If you have sensitive skin or known fragrance/contact allergies, patch-test products containing this ingredient before full use.

Is Cetrimonium Bromide safe for babies?

Cetrimonium Bromide has baby/child restrictions: No. Avoid using products containing this ingredient on infants unless specifically formulated and labelled for baby use.

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

Regulatory Status

India (CDSCO)
Permitted
EU
Permitted
US FDA
Permitted
Korea (MFDS)
Permitted
Australia (TGA)
Permitted
Canada (NHPID)
Permitted

EU Annex: Annex V (permitted preservative)

Identifiers

CAS57-09-0
EC200-311-3

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