Moderate Surfactant

TEA-Lauryl Sulfate

INCI: TEA-LAURYL SULFATE

CAS Number
139-96-8
Function
Cleansing, Foaming, Surfactant
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status restricted
EU Max Conc. Annex III: nitrosamine content ≤50 µg/kg; must not be used with N-nitrosating agents; secondary amine impurity limits apply
🇺🇸 US Status permitted
US Notes CIR 1982 & 2013: safe at ≤10.5% when formulated to be nonirritating and free DEA within limits

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

CIR 1982: Safe at ≤10.5%. EU Annex III restriction driven by nitrosative cleavage: TEA to DEA to NDELA (carcinogenic). Do not co-formulate with sodium nitrite or nitrosating preservatives.

⚠️
Concern Level: Moderate

Regulatory Flags

EU_RESTRICTED eu_children_restricted

Frequently Asked Questions

Is TEA-Lauryl Sulfate safe in cosmetics?

CIR 1982: Safe at ≤10.5%. EU Annex III restriction driven by nitrosative cleavage: TEA to DEA to NDELA (carcinogenic). Do not co-formulate with sodium nitrite or nitrosating preservatives. The EU classifies TEA-Lauryl Sulfate as "restricted". Safety rating: MODERATE.

Is TEA-Lauryl Sulfate allowed in the EU?

TEA-Lauryl Sulfate EU regulatory status: restricted. Maximum allowed concentration: Annex III: nitrosamine content ≤50 µg/kg; must not be used with N-nitrosating agents; secondary amine impurity limits apply. This is based on EU Regulation 1223/2009 and its amendments.

What does TEA-Lauryl Sulfate do in cosmetics?

TEA-Lauryl Sulfate functions as: Cleansing, Foaming, Surfactant. It is classified as a Surfactant in our database. CAS number: 139-96-8.

What is the Margin of Safety for TEA-Lauryl 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 TEA-Lauryl 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 TEA-Lauryl Sulfate in your formulation.