Dioleoylamidoethyl Hydroxyethylmonium Methosulfate

TL;DR. This ingredient is a cationic conditioning agent used mainly in hair care to reduce static, improve wet combing, and leave a smoother feel after rinsing.

What does Dioleoylamidoethyl Hydroxyethylmonium Methosulfate 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 a smoother feel after rinsing.

Is Dioleoylamidoethyl Hydroxyethylmonium Methosulfate clean?

From a clean-beauty perspective, it sits in a more conventional conditioning category because cationic surfactants can be eye irritants and may face scrutiny for aquatic profile and manufacturing residues. It is not a common fragrance allergen or formaldehyde donor, and concern is usually about category fit rather than skin sensitization.

Is Dioleoylamidoethyl Hydroxyethylmonium Methosulfate sustainable?

This material is typically based partly on long-chain fatty acids that may come from vegetable oils, combined with synthetic nitrogen chemistry. Its cationic charge means it can bind strongly to surfaces and wastewater sludge, so biodegradability and aquatic data are important for judging its footprint.

Is Dioleoylamidoethyl Hydroxyethylmonium Methosulfate COSMOS-approved?

This ingredient is not a straightforward COSMOS-natural or COSMOS-organic fit unless a supplier can document an allowed manufacturing route and the required environmental profile. Its Green Chemistry alignment is mixed: renewable fatty chains can help, but permanent cationic charge, synthetic quaternization, and aquatic sensitivity lower the score.

How does Dioleoylamidoethyl Hydroxyethylmonium Methosulfate work chemically?

The molecule is a permanently cationic ammonium salt with long unsaturated fatty amide substituents, which makes it adsorb strongly onto negatively charged hair keratin. It is typically used in rinse-off conditioners at about 0.5 to 3% active, performs best in mildly acidic formulas, and can form complexes with anionic surfactants.

Last updated 2026-05-16