Sodium Cetyl Sulfate

INCI: SODIUM CETYL SULFATE

CAS Number
1120-01-0
Function
Surfactant – cleansing, surfactant – emulsifying
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes CIR-reviewed: safe as used in present practices and concentrations

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
high

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Anionic alkyl sulfate with irritation profile similar to Sodium Lauryl Sulfate; CIR Panel advises limiting concentration in leave-on products due to potential protein denaturation and skin barrier disruption at high concentrations

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Concern Level: High

Frequently Asked Questions

Is Sodium Cetyl Sulfate safe in cosmetics?

Anionic alkyl sulfate with irritation profile similar to Sodium Lauryl Sulfate; CIR Panel advises limiting concentration in leave-on products due to potential protein denaturation and skin barrier disruption at high concentrations The EU classifies Sodium Cetyl Sulfate as "permitted". Safety rating: MODERATE.

Is Sodium Cetyl Sulfate allowed in the EU?

Sodium Cetyl Sulfate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium Cetyl Sulfate do in cosmetics?

Sodium Cetyl Sulfate functions as: Surfactant – cleansing, surfactant – emulsifying. It is classified as a cosmetic ingredient in our database. CAS number: 1120-01-0.

What is the Margin of Safety for Sodium Cetyl Sulfate?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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