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Researched by Helena DeMaria-Williams

Formula IngredientSurfactant

Sodium Cetearyl Sulfate

INCI: Sodium Cetearyl Sulfate

Sodium cetearyl sulfate is an anionic surfactant composed of the sodium salts of mixed cetyl and stearyl sulfate esters. It functions as a cleansing and emulsifying agent in cosmetic formulations, helping oil and water phases mix together. It is commonly used in creams, lotions, and cleansing products.

Category

Surfactant

Irritation Risk

Medium

Skin Types

all skin types, oily, combination, normal

What does this do in a formula?

cleansing, emulsification, foaming, texture enhancement

Is Sodium Cetearyl Sulfate safe? Key considerations

Can Sodium Cetearyl Sulfate cause irritation?

Medium Risk

As a sulfate-based surfactant, it can be mildly irritating to sensitive skin, particularly in rinse-off products at higher concentrations. Generally well tolerated in leave-on formulations where it is used at low levels as an emulsifier. No EU Annex II or III restrictions.

Does Sodium Cetearyl Sulfate increase sun sensitivity?

No Risk

Sodium cetearyl sulfate does not increase photosensitivity. No sun protection precautions are required.

Is Sodium Cetearyl Sulfate safe during pregnancy?

Safe

No reproductive or developmental concerns noted. Widely used in cosmetics with a long safety record.

How does Sodium Cetearyl Sulfate work?

Sodium cetearyl sulfate is an anionic surfactant composed of the sodium salts of mixed cetyl and stearyl sulfate esters. It functions as a cleansing and emulsifying agent in cosmetic formulations, helping oil and water phases mix together. It is commonly used in creams, lotions, and cleansing products.

Individuals with very sensitive skin, eczema (if used in high-concentration wash-off products) should review the considerations above before use.

Which products contain Sodium Cetearyl Sulfate?

Shop products that contain Sodium Cetearyl Sulfate