Science
Mechanism of Action
This ingredient operates by adsorbing onto negatively charged surfaces, such as skin and hair, owing to the positive charge of its arginine component. This characteristic enables it to form a protective film, imparting softness, smoothness, and antistatic properties. As an amino acid derivative, it is postulated to support skin hydration by contributing to the Natural Moisturizing Factors (NMF) and providing essential building blocks for dermal proteins like collagen and elastin. Furthermore, its chemical structure allows it to function as a mild surfactant for effective, gentle cleansing.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
While a precise optimal pH range for the stability of ARGININE LAUROYL METHYL BETA-ALANINATE is not explicitly defined, amino acid-based surfactants are generally formulated within a pH range of approximately 4.5 to 5.5 to align with skin's natural acidity and ensure mildness. The arginine component itself has been shown to enhance protein solubility and thermal stability in formulations ranging from pH 5.0 to 8.5.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded that amino acid alkyl amides, the class to which this ingredient belongs, are safe for use in cosmetics when formulated to be non-irritating. The L-amino acid components are classified as Generally Recognized As Safe (GRAS) by the FDA for direct food additives. A related compound, Lauroyl Arginine, demonstrated no ocular irritation in rabbit studies at a 10% concentration in a mixture.
Your Skin
Skin Compatibility
Our Assessment
Verdict
This versatile amino acid derivative is a valuable ingredient, offering conditioning, mild cleansing, and potential hydrating benefits suitable for a broad spectrum of skin and hair types, provided it is formulated to be non-irritating.
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