Potassium Lauroyl Methyl Beta-Alanine

INCI: POTASSIUM LAUROYL METHYL BETA-ALANINE

CAS Number
Free acid (Lauroyl Methyl Beta-Alanine): 21539-57-1 — potassium salt CAS not separately assigned
Function
Skin conditioning, surfactant (mild anionic)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes FDA UNII assigned (8NYI527FHL for free acid); CIR group-assessed under amino acid alkyl amides — safe as used

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Mild anionic surfactant with low safety concern; minimal exposure in rinse-off applications.

⚠️
Concern Level: Low

Frequently Asked Questions

Is Potassium Lauroyl Methyl Beta-Alanine safe in cosmetics?

Mild anionic surfactant with low safety concern; minimal exposure in rinse-off applications. The EU classifies Potassium Lauroyl Methyl Beta-Alanine as "permitted". Safety rating: GOOD.

Is Potassium Lauroyl Methyl Beta-Alanine allowed in the EU?

Potassium Lauroyl Methyl Beta-Alanine EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Potassium Lauroyl Methyl Beta-Alanine do in cosmetics?

Potassium Lauroyl Methyl Beta-Alanine functions as: Skin conditioning, surfactant (mild anionic). It is classified as a cosmetic ingredient in our database. CAS number: Free acid (Lauroyl Methyl Beta-Alanine): 21539-57-1 — potassium salt CAS not separately assigned.

What is the Margin of Safety for Potassium Lauroyl Methyl Beta-Alanine?

not established 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.

📱

Is Potassium Lauroyl Methyl Beta-Alanine in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Potassium Lauroyl Methyl Beta-Alanine in your formulation.