Sodium Oleyl Sulfate

INCI: SODIUM OLEYL SULFATE

CAS Number
Not individually assigned in CosIng listing
Function
Surfactant—cleansing; surfactant—emulsifying; foaming agent
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted for cosmetic use; related alkyl sulfates reviewed by CIR

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
moderate
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

⚠ Non-ethoxylated, so no 1,4-dioxane risk — but more potentially irritating/degreasing than ethoxylated versions. Use concentration and rinse-off vs. leave-on application matters significantly

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Sodium Oleyl Sulfate safe in cosmetics?

⚠ Non-ethoxylated, so no 1,4-dioxane risk — but more potentially irritating/degreasing than ethoxylated versions. Use concentration and rinse-off vs. leave-on application matters significantly The EU classifies Sodium Oleyl Sulfate as "permitted". Safety rating: MODERATE.

Is Sodium Oleyl Sulfate allowed in the EU?

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

What does Sodium Oleyl Sulfate do in cosmetics?

Sodium Oleyl Sulfate functions as: Surfactant—cleansing; surfactant—emulsifying; foaming agent. It is classified as a cosmetic ingredient in our database. CAS number: Not individually assigned in CosIng listing.

What is the Margin of Safety for Sodium Oleyl Sulfate?

not established 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.

📱

Is Sodium Oleyl Sulfate in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Sodium Oleyl Sulfate in your formulation.