Cetrimonium Bromide

Cetrimonium bromide is a cationic quaternary ammonium compound used as a conditioning surfactant in hair and skin products. It's included for detangling and antistatic effects, light cleansing, and to aid dispersion and stability as a co-emulsifier.
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Ingredient Snapshot

Overview
Conditions hair, making it smoother, easier to comb, and less static.
Category
Cleansing, Skin Conditioning
Type
Surfactant

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Makes hair feel smoother and easier to comb while helping tame static and flyaways. Effects depend on the overall formula and target slip and manageability rather than long-term outcomes.

Uses In Skincare & Cosmetics

Used in rinse-out conditioners, 2‑in‑1 shampoos, and cream cleansers to improve comb-through and improve in-shower performance.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Can irritate skin and eyes, with greater risk in leave‑on products or at higher concentrations; patch testing is prudent for sensitive users. Subject to concentration limits in many regions; follow label directions. Discontinue use if burning or persistent redness occurs.

Is Cetrimonium Bromide a Good Ingredient?

Provides detangling and antistatic benefits in rinse‑off formulas, but performance is highly formulation‑dependent and evidence for hair or skin health improvement is limited. It carries higher irritation potential, especially in leave‑ons or at higher levels, which tempers its rating.