Ethylenediamine/Hydrogenated Dimer Dilinoleate Copolymer Bis-Di-C14-18 Alkyl Amide

What is Ethylenediamine/Hydrogenated Dimer Dilinoleate Copolymer Bis-Di-C14-18 Alkyl Amide?

This ingredient is a synthetic polyamide copolymer formed by linking ethylenediamine with hydrogenated dimer dilinoleate—derived from dilinoleic acid sourced from plant oils like safflower—and bis-di-C14-18 alkyl amide groups from mid-chain fatty alcohols. Primarily featured in oral care formulations such as toothpastes and mouthwashes, it creates a thin, flexible film on oral surfaces to aid hygiene functions like cleaning and freshening. In skincare products, it works as a conditioning agent, helping to preserve the skin's natural moisture barrier for improved softness and suppleness. It also functions as a viscosity modifier, adjusting product consistency to enhance stability, spreadability, and sensory feel in creams, lotions, and gels. Its structure allows compatibility across water- and oil-based systems.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 1 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Oral care agent
Supports oral hygiene performance (cleaning, freshening, plaque control, sensitivity support) in toothpaste, mouthwash, and related products.
Skin conditioning agent
Maintains skin softness, smoothness, and flexibility.
Viscosity controlling agent
Adjusts thickness to the desired level for stability and usability, improving dispensing, suspension, and texture across many formulation types.

Benefits

Enhances skin softness and smoothness through conditioning properties.

Supports oral hygiene by forming protective films in toothpastes and mouthwashes.

Improves product texture and stability as a viscosity controller.

Who It's For

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

Who May Benefit Who Should Avoid
Users of oral care products seeking better cleaning and freshening.
Those with allergies to polyamides or fatty acid derivatives.
Individuals with normal to dry skin wanting conditioning benefits.
Individuals sensitive to synthetic copolymers.
People preferring stable, easy-to-apply skincare formulations.
People avoiding amide-containing ingredients.

Safety Notes

  • Considered low hazard overall (EWG score 1).
  • Non-comedogenic, unlikely to clog pores (rating 0).

Frequently Asked Questions about Ethylenediamine/Hydrogenated Dimer Dilinoleate Copolymer Bis-Di-C14-18 Alkyl Amide

What does this ingredient do in products?

It conditions skin, controls viscosity for better texture, and forms films for oral care hygiene.

Is it safe for daily use?

Yes, it has a low hazard rating (EWG 1) and is non-comedogenic.

Where is it commonly found?

In toothpastes, mouthwashes, lotions, and creams for conditioning and stability.