L-Theanine: Functional Amino Acid for Calming & Focus-Enhancing Formulations

Molecular Identity

• INCI Name: L-Theanine
• Molecular Formula: C7H14N2O3
• Source: Naturally found in green tea (Camellia sinensis); produced via fermentation

Function & Application

L-Theanine is a non-proteinogenic amino acid valued in cosmetic and wellness formulations for its calming, anti-fatigue and sensory-balancing properties. Its unique ability to support mental clarity without sedation makes it ideal for urban lifestyle, stress-targeted and multifunctional personal care products.

• Supports calm and relaxation in skin and scalp care products
• Ideal for anti-fatigue and well-being focused formulations
• May help improve skin comfort and balance
• Suitable for “mindful beauty” and stress-related skincare lines
• Complements adaptogens and botanical extracts in synergistic blends

Usage & Handling

• Serums & essences: 0.1–1%
• Creams & emulsions: 0.2–1%
• Scalp & hair care: 0.3–1%

Water-soluble. Recommended to be added below 40 °C in the water phase. Stable across pH 4.5–7.5. Compatible with humectants, peptides, botanical extracts and mild preservatives.

Technical Specifications

• Purity: ≥ 98% (HPLC)
• Appearance: White to off-white crystalline powder
• Odor: Characteristic, mild
• Solubility: Water-soluble

Available with full technical documentation including COA, MSDS, HPLC chromatogram, heavy metal analysis and microbiological profile. Batch traceability ensured.

Regulatory & Safety

• CAS Number: 3081-61-6
• Topical use only / cosmetic use only
• EU Cosmetic Regulation compliance
• REACH status: available on request

B2B Supply & Support

• Available from EU warehouse
• Lab, pilot and industrial packaging
• Full documentation and formulation support
• B2B pricing and flexible supply terms

Contact us for pricing, samples or formulation assistance.