Lauroyl Silk Amino Acids

INCI: LAUROYL SILK AMINO ACIDS

CAS Number
Related sodium salt: 68238-35-5 (sodium lauroyl silk amino acids)
Function
Hair conditioning, skin conditioning, surfactant–cleansing agent
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — CIR reviewed as part of 115 amino acid alkyl amides; concluded safe in present practices of use and concentration when formulated to be non-irritating

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Slight eye irritation potential at higher concentrations; non-mutagenic in bacterial assays. Safe at ≤3.2% in rinse-off products. Silk-derived ingredient; flag for vegan and allergen labelling due to documented silk protein allergy risk.

⚠️
Concern Level: Low

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Lauroyl Silk Amino Acids safe in cosmetics?

Slight eye irritation potential at higher concentrations; non-mutagenic in bacterial assays. Safe at ≤3.2% in rinse-off products. Silk-derived ingredient; flag for vegan and allergen labelling due to documented silk protein allergy risk. The EU classifies Lauroyl Silk Amino Acids as "permitted". Safety rating: GOOD.

Is Lauroyl Silk Amino Acids allowed in the EU?

Lauroyl Silk Amino Acids EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Lauroyl Silk Amino Acids do in cosmetics?

Lauroyl Silk Amino Acids functions as: Hair conditioning, skin conditioning, surfactant–cleansing agent. It is classified as a cosmetic ingredient in our database. CAS number: Related sodium salt: 68238-35-5 (sodium lauroyl silk amino acids).

What is the Margin of Safety for Lauroyl Silk Amino Acids?

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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