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SODIUM HYDROLYZED HYALURONOYL THEANINE.

Valuable / HUMECTANT, SKIN CONDITIONING

This innovative compound combines hydrolyzed sodium hyaluronate, a deeply penetrating form of hyaluronic acid, with Theanine. Engineered for enhanced skin absorption, it targets multi-level hydration while offering additional protective and reparative benefits.

Summary

Hydration Deep Moisturization Skin Barrier Support Antioxidant Sun Protection After-Sun Repair Anti-inflammatory Skin Repair Collagen/HA Production Boost

Science

Mechanism of Action

The 'Hydrolyzed Hyaluronoyl' component, characterized by its exceptionally small molecular weight (e.g., 10 kDa miniHA), is designed for superior skin penetration compared to larger hyaluronic acid molecules. This allows for deeper moisturization. Beyond hydration, this component demonstrates antioxidant properties, supports sun protection, and aids in post-sun repair. It also synergizes with higher molecular weight hyaluronic acids to amplify overall skin hydration and has been shown to stimulate endogenous hyaluronic acid production in human fibroblasts, contributing to skin repair and bolstering the skin's natural defenses. The specific topical mechanism of the Theanine component is not extensively detailed in current research, though L-Theanine is known for systemic anti-inflammatory effects.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

No data is available to suggest this ingredient is commonly used in low, ineffective concentrations for marketing purposes.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

L-Theanine, a constituent, typically presents a pH of 5-6 in a 1% solution. Studies on hyaluronan-binding proteins suggest increased thermodynamic stability as pH decreases from 8.0 to 5.0. An explicit optimal pH range for the full ingredient's stability has not been defined.

Synergies

  • Higher molecular weight hyaluronic acid (for comprehensive hydration synergy).

Conflicts

  • Hydrolyzed hyaluronoyl components with molecular weights below 50 kDa may potentially trigger pro-inflammatory responses when applied topically, requiring careful consideration during formulation.

Safety

Safety Profile

CIR Status
Safe as used
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel deemed hyaluronate ingredients, including hydrolyzed forms found in this compound, safe for cosmetic use under current practices. L-Theanine is recognized as Generally Recognized As Safe (GRAS) by the FDA for food applications. No specific SCCS evaluation for the combined ingredient was identified.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

SODIUM HYDROLYZED HYALURONOYL THEANINE offers significant benefits for deep hydration, skin barrier support, and repair due to its small molecular weight hyaluronate component, making it a valuable asset for diverse skin concerns.

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