L-Arginine (Cosmetic Grade)

L-Arginine

Functional amino acid used to support hydration, improve skin feel, and optimize formulation pH and performance.

INCI: Arginine

Appearance: White crystalline powder

Solubility: Water-soluble

Typical Use Level: 0.5–5.0%

L-Arginine is a versatile formulation ingredient widely used in modern cosmetic systems for its ability to support skin hydration, improve product feel, and assist in pH adjustment. It is commonly incorporated into skin and hair care formulations to enhance overall performance and stability.

Performance Profile

L-Arginine functions as a multifunctional amino acid in cosmetic formulations, contributing to hydration, improved skin compatibility, and optimized formulation structure.

It is frequently used as a mild pH adjuster and buffering agent while also providing conditioning benefits in both skin and hair care systems. Its compatibility and flexibility make it a valuable component in a wide range of formulations.

Key Benefits

• Supports skin hydration and moisture balance
• Improves overall formulation feel and smoothness
• Acts as a mild pH adjuster and buffering agent
• Enhances compatibility in active-rich formulations
• Provides conditioning benefits in hair care systems

Suggested Use Levels

• 0.5–1.0% – pH adjustment and light conditioning
• 1–3% – hydration and functional support
• 3–5% – intensive conditioning systems

Ideal Applications

• Hydrating serums and lotions
• Hair care formulations (shampoos, conditioners, treatments)
• pH-balanced systems
• Active-rich skincare formulations
• Barrier-support and conditioning products

Formulation Notes

• Dissolves easily in water phase
• Can be used for pH adjustment in place of traditional bases
• Compatible with most cosmetic ingredients
• Stable under standard formulation conditions

A versatile amino acid that supports both formulation structure and end-product performance.

Documents

• Certificate of Analysis (COA)
• Safety Data Sheet (SDS)