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ARGININE LAURAMINOPROPIONATE.

Valuable / CLEANSING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING, SURFACTANT - FOAM BOOSTING

Arginine Lauraminopropionate is an amino acid-derived amphoteric surfactant celebrated for its mild cleansing and foam-boosting properties. Beyond its primary function in formulations, its arginine component actively contributes to skin hydration, supports barrier integrity, and aids in promoting skin elasticity and firmness.

Summary

Cleansing Agent Emulsifier Surfactant - Foam Boosting

Science

Mechanism of Action

Operating as an amphoteric surfactant, Arginine Lauraminopropionate effectively cleanses the skin by forming and stabilizing foam, gently lifting impurities. Concurrently, the arginine moiety acts as a natural moisturizing factor (NMF), drawing and retaining water to significantly enhance skin hydration and fortify the skin's protective barrier. It also contributes to collagen synthesis, improving skin firmness and elasticity, and provides soothing and antioxidant benefits to the skin.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Research indicates that arginine is typically integrated into skincare formulations within a 0.5-5% range for its contributions to hydration, barrier support, and collagen synthesis.
  2. 02 Studies on topical L-arginine application in a glycerol solution demonstrated increased skin elasticity in rats, with 15% showing the most significant improvement, though these findings pertain specifically to L-arginine and not Arginine Lauraminopropionate.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

While specific stability data for Arginine Lauraminopropionate is unavailable, related arginine-derived surfactants exhibit pH-dependent solubility, with some showing optimal clarity and solubility between pH 1-11. The arginine component itself is inherently stable in alkaline conditions, possessing a high pKa of 12-13.8.

Conflicts

  • Anionic thickeners and emulsifiers, particularly at pH levels where the arginine component exhibits cationic properties.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

The CIR Expert Panel concluded that amino acid alkyl amides, including Arginine Lauraminopropionate, are safe for cosmetic use when formulated to be non-irritating. The foundational L-Arginine is recognized as Generally Recognized As Safe (GRAS) by the FDA for food applications.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
No Oily
Yes Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

This amino acid-derived amphoteric surfactant offers gentle cleansing while leveraging the hydrating and barrier-supporting benefits of arginine, making it highly suitable for mild formulations targeting various skin types.

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