Di-PEG-2 Soyamine Ipdi

PEG / Ethoxylated

What is Di-PEG-2 Soyamine Ipdi?

Di-PEG-2 Soyamine IPDI is a synthetic polymer created by reacting hydrogenated soy ethylenediamine (a soy-derived polyamine) with two units of polyethylene glycol (PEG-2) and crosslinking via isophorone diisocyanate (IPDI), forming a polyurethane-like structure. Primarily found in hair care formulations like shampoos, conditioners, and styling products, it acts as a cationic film-former. Upon application, it adsorbs onto negatively charged hair surfaces, creating a protective coating that reduces friction between strands, minimizes static buildup, and enhances slip for easier detangling. Its emollient properties extend to skin, where it smooths roughness by forming a lightweight film, aiding in rinse-off and leave-on products without heavy residue.

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:

Hair conditioning
Improves softness, shine, and manageability by reducing friction and static; commonly achieved with cationic agents, silicones, oils, or conditioning polymers.
Emollient
Softens and smooths skin by filling in surface roughness and improving slip; can also help reduce moisture loss when paired with occlusives and film formers.
Skin conditioning agent
Maintains skin softness, smoothness, and flexibility.

Benefits

Enhances hair softness and shine by forming a smoothing film that cuts friction.

Provides emollient effects to soften skin and improve product spreadability.

Supports skin flexibility through mild conditioning action in formulations.

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 frizzy hair seeking silicone-free conditioning.
Those with known sensitivity to PEG compounds or ethoxylated ingredients.
People wanting smoother, more manageable hair from everyday styling products.
People allergic to soy-derived components.
Users of rinse-off skin products needing lightweight emolliency.
Individuals preferring completely natural or non-polymer based formulations.

Safety Notes

  • Considered suitable for cosmetic use with low comedogenic potential.
  • Assessed at moderate concern level by hazard databases, primarily due to ethoxylation.

Frequently Asked Questions about Di-PEG-2 Soyamine Ipdi

What is Di-PEG-2 Soyamine IPDI made from?

It's a polymer from soy ethylenediamine, PEG-2, and IPDI, used as a cationic conditioner in hair and skin products.

Is it comedogenic?

Rated 0 for comedogenicity, unlikely to clog pores.

Safe for sensitive skin?

Generally low irritation potential, but patch test if sensitive to PEGs or soy.