Sodium Cocoglyceryl Ether Sulfonate

What is Sodium Cocoglyceryl Ether Sulfonate?

Sodium Cocoglyceryl Ether Sulfonate is an anionic surfactant synthesized from coconut-derived fatty alcohols reacted with glycerin to form an ether linkage, followed by sulfonation to introduce a sulfate-like group. This structure features a hydrophilic sulfonate head and hydrophobic coconut chain, enabling it to lower surface tension in water-based formulations. Primarily used in rinse-off products like shampoos, body washes, facial cleansers, and baby care items, it functions by emulsifying oils and dirt into micelles for removal during rinsing. Its mild nature supports creamy foam generation while preserving skin's lipid barrier, making it suitable for frequent-use cleansing systems where gentleness is prioritized over aggressive cleaning.

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:

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.

Foaming

Generates foam during use to help distribute the product and lift soils; typically delivered by surfactants that create stable bubbles under agitation.

Benefits

Delivers effective dirt and oil removal through micelle formation.

Produces stable, rich foam for even product distribution.

Maintains skin moisture balance compared to harsher alternatives.

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 sensitive or dry skin seeking mild cleansers.	Those with rare allergies to coconut-derived ingredients.
Users of baby or no-tear shampoos.	Individuals sensitive to anionic surfactants in general.
People preferring coconut-derived gentle surfactants.	Anyone experiencing irritation upon patch testing.

Safety Notes

Recognized as safe for cosmetic use by regulatory reviews.
Exhibits low potential for skin and eye irritation in formulations.

Frequently Asked Questions about Sodium Cocoglyceryl Ether Sulfonate

What is Sodium Cocoglyceryl Ether Sulfonate?

An anionic surfactant from coconut fatty alcohols and glycerin, used for mild cleansing and foaming in wash-off products.

Is it suitable for sensitive skin?

Yes, its mild profile makes it common in sensitive skin and baby formulations.

How does it differ from common sulfates?

It features a sulfonate group for potentially lower irritation while providing similar cleansing action.