Moderate Cosmetic Ingredient

DEA-C12-15 Alkyl Sulfate

INCI: DEA-C12-15 ALKYL SULFATE

CAS Number
No single CAS; mixture of DEA salts of C12-15 alkyl sulfuric acids; referenced generically in ingredient databases.
Function
Surfactant – cleansing, foaming surfactant for shampoos, body washes, and similar products.
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Allowed if safe; CIR has assessed DEA and DEA salts as safe in present practices of use when formulated to be non-irritating and without nitrosamine formation, mainly in rinse-off products.

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 salt prohibited in EU due to DEA restrictions; avoid co-presence of nitrosating agents to prevent nitrosamine formation; standard surfactant irritation risk at higher concentrations in rinse-off products.

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Concern Level: Moderate

Frequently Asked Questions

Is DEA-C12-15 Alkyl Sulfate safe in cosmetics?

DEA salt prohibited in EU due to DEA restrictions; avoid co-presence of nitrosating agents to prevent nitrosamine formation; standard surfactant irritation risk at higher concentrations in rinse-off products. The EU classifies DEA-C12-15 Alkyl Sulfate as "prohibited". Safety rating: MODERATE.

Is DEA-C12-15 Alkyl Sulfate allowed in the EU?

DEA-C12-15 Alkyl Sulfate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does DEA-C12-15 Alkyl Sulfate do in cosmetics?

DEA-C12-15 Alkyl Sulfate functions as: Surfactant – cleansing, foaming surfactant for shampoos, body washes, and similar products.. It is classified as a cosmetic ingredient in our database. CAS number: No single CAS; mixture of DEA salts of C12-15 alkyl sulfuric acids; referenced generically in ingredient databases..

What is the Margin of Safety for DEA-C12-15 Alkyl 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-C12-15 Alkyl Sulfate compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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