Polyglyceryl 4 Oleate

What is Polyglyceryl 4 Oleate?

Polyglyceryl-4 Oleate is an ester created by combining polyglycerol-4, a chain of four glycerol molecules derived from vegetable sources, with oleic acid from plant oils like olive. This non-ionic compound serves as a multifunctional ingredient in skincare products such as lotions, creams, and cleansers. It works by lowering surface tension to facilitate mixing of immiscible ingredients, forming stable emulsions with smooth textures. As an emollient, it mimics skin's natural lipids to enhance slip and reduce water evaporation from the skin surface. In surfactant roles, it supports mild foaming and dirt removal without harshness. Commonly found in natural or PEG-free formulations, it contributes to lightweight, non-greasy feels while maintaining product integrity over time.

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

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

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.
Surfactant
Lowers surface tension to enable cleansing, emulsifying, and foaming; central to shampoos, body washes, and many emulsions and micellar systems.
Emulsifying agent
Enables stable mixing of oil and water phases by forming an interfacial film, helping create lotions, creams, and cleansers with consistent texture.

Benefits

Provides emolliency to soften and smooth skin's texture.

Supports stable emulsions for consistent lotion and cream consistencies.

Enables gentle surfactant action for effective yet mild cleansing.

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 skin needing added softness and hydration retention.
People with known allergies to oleic acid or related fatty acids.
Users of emulsion-based products like moisturizers and body lotions.
Individuals sensitive to polyglycerol esters.
Those seeking plant-sourced alternatives in cleansers and washes.
Those preferring strictly anhydrous or non-emulsified formulations.

Safety Notes

  • Considered low hazard with minimal risk of irritation in typical use.
  • Non-comedogenic, unlikely to clog pores based on ratings.

Frequently Asked Questions about Polyglyceryl 4 Oleate

What products commonly contain Polyglyceryl-4 Oleate?

Found in moisturizers, body lotions, face creams, and mild cleansers for stabilization and emolliency.

Is it suitable for sensitive skin?

Yes, it has low irritation potential and is often used in gentle, natural formulations.

How does it function in skincare?

It emulsifies oils and water, softens skin as an emollient, and provides surfactant benefits for cleansing.