PEG-20 Sorbitan Cocoate

PEG / Ethoxylated

What is PEG-20 Sorbitan Cocoate?

PEG-20 Sorbitan Cocoate is a synthetic non-ionic surfactant created by reacting sorbitan cocoate—formed from dehydrated sorbitol and coconut-derived fatty acids—with 20 units of ethylene oxide. This process adds a hydrophilic polyethylene glycol chain to the lipophilic base, balancing water and oil affinity. Primarily used in rinse-off products like shampoos, shower gels, and facial cleansers, as well as leave-on items such as lotions and toners, it operates by reducing interfacial tension between oil and water. This enables micelle formation for trapping and rinsing away soils during cleansing, stabilizes emulsions to maintain product consistency, and disperses hydrophobic materials like fragrances into clear aqueous solutions, supporting transparent formulations.

Comedogenic Rating 0/5 Low risk of clogging pores

EWG Safety Rating 4 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Surfactant

Lowers surface tension to enable cleansing, emulsifying, and foaming; central to shampoos, body washes, and many emulsions and micellar systems.

Cleansing agent

Removes dirt, oil, and impurities by lowering surface tension and forming micelles, enabling soils to be lifted and rinsed away from skin, hair, or teeth.

Solubilizing agent

Helps incorporate oils and fragrance into water-based formulas by forming micro-solutions, enabling clear sprays, toners, and micellar products.

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

Gentle surface tension reduction for effective dirt and oil removal in cleansers.

Stabilizes oil-water mixtures for smooth, consistent lotion and cream textures.

Incorporates fragrances and oils into water formulas for clear, appealing products.

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 daily cleansers needing mild surfactant action.	Those sensitive to polyethylene glycol derivatives.
Individuals with combination skin preferring non-comedogenic emulsifiers.	People avoiding ethoxylated ingredients due to impurity concerns.
People formulating or using micellar waters and toners for solubilization.	Individuals with known reactions to coconut-derived components.

Safety Notes

EWG rates it moderate due to potential ethoxylation impurities like 1,4-dioxane.
Non-comedogenic profile makes it suitable for acne-prone skin.

Frequently Asked Questions about PEG-20 Sorbitan Cocoate

What does PEG-20 Sorbitan Cocoate do in products?

It cleanses by forming micelles, emulsifies oils into water, and solubilizes fragrances for stable, clear formulas.

Is PEG-20 Sorbitan Cocoate comedogenic?

It has a comedogenic rating of zero, indicating low risk of pore clogging.

Why is it flagged by EWG?

Moderate rating stems from possible impurities in ethoxylated ingredients, though safe when purified.