Moderate Cosmetic Ingredient

DEA-C12-13 Pareth-3 Sulfate

INCI: DEA-C12-13 PARETH-3 SULFATE

CAS Number
Not uniquely assigned; mixture of diethanolamine salts of C12-13 Pareth-3 sulfuric acid (no single CAS in public inventories).
Function
Surfactant, cleansing; washing-active substance for body surface
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes Not specifically prohibited by FDA; subject to general safety requirement. DEA use advised only in rinse-off products and not with nitrosating agents.

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

DEA-containing surfactants are restricted in EU cosmetics due to potential conversion to carcinogenic nitrosamines; use restricted to rinse-off products and must avoid nitrosating agents and prolonged skin contact; formulation should minimize irritation risk.

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Concern Level: High

Frequently Asked Questions

Is DEA-C12-13 Pareth-3 Sulfate safe in cosmetics?

DEA-containing surfactants are restricted in EU cosmetics due to potential conversion to carcinogenic nitrosamines; use restricted to rinse-off products and must avoid nitrosating agents and prolonged skin contact; formulation should minimize irritation risk. The EU classifies DEA-C12-13 Pareth-3 Sulfate as "restricted". Safety rating: MODERATE.

Is DEA-C12-13 Pareth-3 Sulfate allowed in the EU?

DEA-C12-13 Pareth-3 Sulfate EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does DEA-C12-13 Pareth-3 Sulfate do in cosmetics?

DEA-C12-13 Pareth-3 Sulfate functions as: Surfactant, cleansing; washing-active substance for body surface. It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned; mixture of diethanolamine salts of C12-13 Pareth-3 sulfuric acid (no single CAS in public inventories)..

What is the Margin of Safety for DEA-C12-13 Pareth-3 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.

Compliance Tools

Check DEA-C12-13 Pareth-3 Sulfate compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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