Sodium C12-15 Pareth Sulfate

INCI: SODIUM C12-15 PARETH SULFATE (UPDATED: SODIUM C12-15 ALKETH SULFATE)

CAS Number
91648-56-5 (also listed: 125301-92-0)
Function
Cleansing, surfactant – cleansing
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted for cosmetic use; CIR has assessed alkyl ether sulfates as a group

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

1,4-dioxane / ethylene oxide residuals — this is the most commercially common ingredient on this list, so residual testing data is widely available. Synergistic with nonionic, amphoteric, and other anionic surfactants

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Concern Level: Low

Frequently Asked Questions

Is Sodium C12-15 Pareth Sulfate safe in cosmetics?

1,4-dioxane / ethylene oxide residuals — this is the most commercially common ingredient on this list, so residual testing data is widely available. Synergistic with nonionic, amphoteric, and other anionic surfactants The EU classifies Sodium C12-15 Pareth Sulfate as "permitted". Safety rating: GOOD.

Is Sodium C12-15 Pareth Sulfate allowed in the EU?

Sodium C12-15 Pareth Sulfate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium C12-15 Pareth Sulfate do in cosmetics?

Sodium C12-15 Pareth Sulfate functions as: Cleansing, surfactant – cleansing. It is classified as a cosmetic ingredient in our database. CAS number: 91648-56-5 (also listed: 125301-92-0).

What is the Margin of Safety for Sodium C12-15 Pareth 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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