Ingredient

Sodium Cetearyl Sulfate

Neutral in 1

What is Sodium Cetearyl Sulfate?

Sodium Cetearyl Sulfate is a salt derived from the sulfation of cetearyl alcohol, a fatty alcohol blend typically derived from plant sources like coconut or palm oils. It is a solid white material that functions as a surfactant and emulsifier in cosmetic formulations.

This ingredient is commonly used to help mix oil and water in lotions and creams, enhancing texture and stability. The health and safety evidence on Sodium Cetearyl Sulfate is generally positive, with no major reports of adverse effects when used in standard cosmetic concentrations.

When it appears on a label, it indicates the product is likely optimized for smooth application and even consistency.

Commonly found in: lotions, creams, conditioners, shampoos, body washes

Benefits

  • Helps stabilize product formulations by mixing oil and water phases.
FDA

Sodium Cetearyl Sulfate is permitted for use in cosmetics without specific restrictions.

Research

Research indicates it is generally safe as a cosmetic ingredient and effective as an emulsifier.

Vegan

Typically plant-derived, but the vegan status depends on the source of cetearyl alcohol.

Sources: Safety Assessment of Fatty Alkyl Sulfates as Used in Cosmetics

Scout's take

Sodium Cetearyl Sulfate is an emulsifier used to stabilize and thicken lotions. It helps blend oil and water components. It is generally considered safe and non-irritating.

The case against

There are minimal risks, though it may cause irritation in very sensitive skin.

from the analysis of Eucerin Advanced Repair Lotion for Very Dry Skin Bottle

The case for

Sodium Cetearyl Sulfate helps stabilize and improve the texture of the lotion.

from the analysis of Eucerin Advanced Repair Lotion for Very Dry Skin Bottle

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