Brassicatrimonium Chloride

TL;DR. This ingredient is a cationic conditioning agent used mainly in hair care to reduce static, improve wet combing, and leave hair feeling smoother. It can also help deposit conditioning materials onto negatively charged hair fibers.

What does Brassicatrimonium Chloride do in a cosmetic formula?

This ingredient is a cationic conditioning agent used mainly in hair care to reduce static, improve wet combing, and leave hair feeling smoother. It can also help deposit conditioning materials onto negatively charged hair fibers.

Is Brassicatrimonium Chloride clean?

From a clean-beauty perspective, this ingredient has friction because it is a synthetic, permanently charged conditioning salt rather than a simple plant oil or fatty alcohol. It can be well tolerated in rinse-off hair products, but higher levels or leave-on exposure may irritate sensitive skin or scalp.

Is Brassicatrimonium Chloride sustainable?

This material is commonly based on a plant-derived fatty chain, often from brassica-family oils, but it is chemically modified to create its cationic conditioning function. Its environmental profile is less favorable than readily biodegradable nonionic ingredients because cationic conditioners can bind strongly to surfaces, sludge, and sediments.

Is Brassicatrimonium Chloride COSMOS-approved?

It is generally not permitted under COSMOS-natural or COSMOS-organic standards, mainly because conventional cationic conditioning salts made through quaternization do not fit the standard’s allowed processing framework. From a Green Chemistry view, the renewable fatty-chain sourcing is a plus, but the synthetic modification and aquatic-impact profile weaken its alignment.

How does Brassicatrimonium Chloride work chemically?

The molecule is a long-chain, positively charged ammonium salt, which explains its strong attraction to damaged or negatively charged hair surfaces. It is typically used at low conditioning levels in acidic to mildly acidic hair-care systems and is best formulated away from strongly anionic surfactants, which can form insoluble complexes with it.

Last updated 2026-05-13