Sodium Coceth Sulfate

Benefits
Cleansing

What is Sodium Coceth Sulfate?

Sodium Coceth Sulfate is an anionic surfactant made by ethoxylating fatty alcohols from coconut oil and then sulfating the result, forming the sodium salt. This process yields a versatile ingredient commonly found in shampoos, body washes, facial cleansers, and bubble baths. In formulations, it works by reducing the surface tension of water, which allows it to create micelles that trap oils, dirt, and impurities for easy rinsing. Its ethoxylation provides better solubility and milder behavior compared to non-ethoxylated sulfates. It also generates stable foam to aid product distribution and enhances emulsion stability by forming protective films around oil droplets in water-based systems, contributing to smooth textures in creamy cleansers.

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.
Emulsifying agent
Enables stable mixing of oil and water phases by forming an interfacial film, helping create lotions, creams, and cleansers with consistent texture.
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 thorough cleansing by lifting dirt and excess oils.

Produces rich foam for better product spread and rinse-off.

Supports stable emulsions for consistent product feel.

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 normal or oily skin seeking effective daily cleansers.
Those with extremely sensitive skin prone to surfactant irritation.
Users of shampoos and body washes needing good lather.
Individuals preferring completely sulfate-free formulations.
People preferring plant-derived surfactants in rinse-off products.
People with known allergies to coconut-derived ingredients.

Safety Notes

  • Considered low hazard in cosmetic concentrations by safety reviews.
  • Typically shows low comedogenic potential and minimal pore-clogging.

Frequently Asked Questions about Sodium Coceth Sulfate

What is Sodium Coceth Sulfate derived from?

It comes from fatty alcohols in coconut oil, ethoxylated and sulfated.

Is it suitable for sensitive skin?

It ranks as a milder surfactant option, though patch testing is wise.

What products commonly contain it?

Shampoos, body washes, and facial cleansers for foaming and cleansing.