Linoleamidopropyl Ethyldimonium Ethosulfate

What is Linoleamidopropyl Ethyldimonium Ethosulfate?

Linoleamidopropyl Ethyldimonium Ethosulfate is a synthetic quaternary ammonium compound derived from linoleic acid, an essential fatty acid found in plant oils. It features an amide linkage and ethosulfate group, making it a cationic agent with positive charge. Primarily used in hair care formulations like conditioners, detanglers, and styling aids, it works by adsorbing onto the negatively charged hair surface. This interaction neutralizes static electricity, smooths the cuticle, and reduces inter-fiber friction, leading to easier detangling and improved handle. Its lipid-like structure mimics natural hair oils, providing a protective film that enhances moisture retention without heavy buildup in rinse-off applications. Commonly found at low levels in shampoos and leave-in treatments, it supports product spreadability and stability.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 3 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Antistatic agent
Reduces static electricity and flyaways by improving surface conductivity, enhancing hair manageability and smoothness in conditioners and styling products.
Hair conditioning
Improves softness, shine, and manageability by reducing friction and static; commonly achieved with cationic agents, silicones, oils, or conditioning polymers.

Benefits

Minimizes static electricity for smoother, more manageable hair.

Enhances softness and shine by coating the hair shaft.

Facilitates detangling and reduces breakage during brushing.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit Who Should Avoid
Individuals with dry or chemically treated hair seeking better manageability.
Those with known sensitivity to quaternary ammonium compounds.
People experiencing flyaways in humid conditions.
People with very oily scalps prone to buildup.
Users of rinse-off conditioners wanting lightweight conditioning.
Individuals preferring silicone-free or quat-free formulations.

Safety Notes

  • Rated low comedogenic potential, suitable for acne-prone skin on body products.
  • Generally recognized as safe in rinse-off hair products at typical use levels.

Frequently Asked Questions about Linoleamidopropyl Ethyldimonium Ethosulfate

What is Linoleamidopropyl Ethyldimonium Ethosulfate used for?

It serves as an antistatic and conditioning agent in hair products to improve smoothness and reduce flyaways.

Is it safe for daily use in conditioners?

Yes, it's commonly used in rinse-off hair care at levels deemed safe by cosmetic safety panels.

Does it cause comedones or acne?

It has a comedogenic rating of 0, indicating low likelihood of pore clogging.