Undecylenoyl Sarcosine

INCI: UNDECYLENOYL SARCOSINE

CAS Number
777033-26-8
Function
Anti-seborrheic, anti-sebum, preservative
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not specifically restricted. CIR reviewed the sarcosine/sarcosinate family โ€” safe in rinse-off products, safe in leave-on at โ‰ค5%

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Must not be used in products where N-nitroso compounds may form (nitrosamine risk). Sarcosine derivatives may enhance penetration of co-formulated ingredients โ€” verify safety of companion actives that rely on non-absorption data

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Concern Level: Low

Regulatory Flags

preservative

Frequently Asked Questions

Is Undecylenoyl Sarcosine safe in cosmetics?

Must not be used in products where N-nitroso compounds may form (nitrosamine risk). Sarcosine derivatives may enhance penetration of co-formulated ingredients โ€” verify safety of companion actives that rely on non-absorption data The EU classifies Undecylenoyl Sarcosine as "permitted". Safety rating: GOOD.

Is Undecylenoyl Sarcosine allowed in the EU?

Undecylenoyl Sarcosine EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Undecylenoyl Sarcosine do in cosmetics?

Undecylenoyl Sarcosine functions as: Anti-seborrheic, anti-sebum, preservative. It is classified as a cosmetic ingredient in our database. CAS number: 777033-26-8.

What is the Margin of Safety for Undecylenoyl Sarcosine?

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.

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