Good Surfactant

Sodium Trideceth Sulfate

INCI: SODIUM TRIDECETH SULFATE

CAS Number
25446-78-0
Function
Anionic surfactant, cleansing agent, emulsifier, foaming agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR 2010 safe when formulated to be nonirritating. Read-across from SLS-E class.

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Safe anionic surfactant at 0.6-19% use range. Ethoxylated ingredient subject to 1,4-dioxane contamination risk; verify COA targeting 10 ppm or non-detect. Co-formulate with amphoterics to reduce irritation.

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Concern Level: Low

Regulatory Flags

CONTROVERSIAL eu_children_restricted epa_safer_alternative

Frequently Asked Questions

Is Sodium Trideceth Sulfate safe in cosmetics?

Safe anionic surfactant at 0.6-19% use range. Ethoxylated ingredient subject to 1,4-dioxane contamination risk; verify COA targeting 10 ppm or non-detect. Co-formulate with amphoterics to reduce irritation. The EU classifies Sodium Trideceth Sulfate as "permitted". Safety rating: GOOD.

Is Sodium Trideceth Sulfate allowed in the EU?

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

What does Sodium Trideceth Sulfate do in cosmetics?

Sodium Trideceth Sulfate functions as: Anionic surfactant, cleansing agent, emulsifier, foaming agent. It is classified as a Surfactant in our database. CAS number: 25446-78-0.

What is the Margin of Safety for Sodium Trideceth 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.

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