Good Cosmetic Ingredient

Sodium/TEA-Undecylenoyl Carrageenan

INCI: SODIUM/TEA-UNDECYLENOYL CARRAGEENAN

CAS Number
224580-91-0
Function
Emulsion stabilising, hair conditioning, skin conditioning
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status restricted
🇺🇸 US Status permitted
US Notes Permitted for cosmetic use. Carrageenan itself is GRAS (food-grade); cosmetic derivative unrestricted

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

⚠ TEA/nitrosamine restrictions per Annex III/62. ⚠ Some debate exists around carrageenan safety in ingested forms — not applicable to dermal route at cosmetic MW

⚠️
Concern Level: Low

Frequently Asked Questions

Is Sodium/TEA-Undecylenoyl Carrageenan safe in cosmetics?

⚠ TEA/nitrosamine restrictions per Annex III/62. ⚠ Some debate exists around carrageenan safety in ingested forms — not applicable to dermal route at cosmetic MW The EU classifies Sodium/TEA-Undecylenoyl Carrageenan as "restricted". Safety rating: GOOD.

Is Sodium/TEA-Undecylenoyl Carrageenan allowed in the EU?

Sodium/TEA-Undecylenoyl Carrageenan EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium/TEA-Undecylenoyl Carrageenan do in cosmetics?

Sodium/TEA-Undecylenoyl Carrageenan functions as: Emulsion stabilising, hair conditioning, skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 224580-91-0.

What is the Margin of Safety for Sodium/TEA-Undecylenoyl Carrageenan?

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 Sodium/TEA-Undecylenoyl Carrageenan 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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