Isostearyl Ethylimidazolinium Ethosulfate ●
TL;DR. This ingredient is a cationic conditioning agent and antistatic surfactant used mainly in hair conditioners, masks, and detangling products. It helps reduce combing friction and leaves a soft, coated feel on hair fibers.
What does Isostearyl Ethylimidazolinium Ethosulfate do in a cosmetic formula?
This ingredient is a cationic conditioning agent and antistatic surfactant used mainly in hair conditioners, masks, and detangling products. It helps reduce combing friction and leaves a soft, coated feel on hair fibers.
Is Isostearyl Ethylimidazolinium Ethosulfate clean?
From a clean-beauty perspective, this ingredient faces friction because it is a synthetic quaternary cationic surfactant class with irritation potential at higher levels and common restricted-list scrutiny. It is more accepted in conventional conditioning formulas than in stricter natural or clean frameworks.
Is Isostearyl Ethylimidazolinium Ethosulfate sustainable?
This material is typically made from fatty feedstocks plus petrochemical-derived quaternizing chemistry, so its sourcing profile is mixed. Cationic surfactants tend to bind strongly to surfaces and wastewater solids, and biodegradability can be less favorable than simpler plant-derived surfactants.
Is Isostearyl Ethylimidazolinium Ethosulfate COSMOS-approved?
This ingredient is not a strong fit for COSMOS-natural or COSMOS-organic formulas, and this class is generally not aligned with the standard unless a specific raw material meets strict allowed chemistry and biodegradability criteria. Its Green Chemistry profile is limited by synthetic quaternization, mixed feedstocks, and wastewater behavior.
How does Isostearyl Ethylimidazolinium Ethosulfate work chemically?
The molecule is a long-chain cationic imidazolinium salt, so it adsorbs efficiently to the negatively charged surface of damaged hair and forms a lubricating conditioning layer. It is usually used at low levels in rinse-off conditioning systems and is best formulated with compatible nonionic or amphoteric ingredients, since anionic surfactants can reduce its deposition.
Last updated 2026-05-14