Science
Mechanism of Action
This advanced ingredient functions as an ester, synergistically blending low molecular weight hyaluronic acid and retinoic acid. The short-chain hyaluronic acid penetrates deeply, boosting hydration, enhancing skin elasticity, and stimulating collagen and fibronectin synthesis. Simultaneously, the retinoic acid component targets signs of aging and acne, promoting skin renewal. Its distinctive micelle-like structure significantly improves stability and minimizes the potential for irritation, a common concern with conventional retinoids. This comprehensive action leads to increased collagen production, refined skin texture, reduced pore size, and offers anti-acne, brightening, and anti-inflammatory effects, thereby optimizing skin condition.
Research
Clinical Evidence
High confidence0.01-0.1%
Transparency
Dusting Analysis
Sodium Retinoyl Hyaluronate does not appear to be commonly 'dusted' as research provides specific effective concentration ranges for various applications, from 0.01% for general efficacy up to 1% for intensive treatments, indicating that precise dosing is understood and utilized for its benefits.
The Formula
Formulation
Stability
This ingredient is water-soluble and engineered for enhanced stability compared to traditional retinoids, attributed to its unique micelle-like structure. While a precise optimal pH range for Sodium Retinoyl Hyaluronate itself is not specified, its Sodium Hyaluronate component maintains stability optimally between pH 6-8. To preserve its efficacy, the ingredient should be protected from high temperatures, light, and oxidative conditions, and incorporating antioxidants into formulations is recommended.
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel has not specifically reviewed Sodium Retinoyl Hyaluronate. However, its constituent parts, Hyaluronic Acid and Sodium Hyaluronate, are deemed safe for cosmetic use at current concentrations, with Sodium Hyaluronate being safe up to 7.5% in facial and neck products. Generally, it is considered safe for topical application. Due to a lack of specific data regarding its use during pregnancy and breastfeeding, consultation with a healthcare professional is advised. As with all retinoids, a gradual introduction is recommended to minimize potential irritation.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Sodium Retinoyl Hyaluronate is a valuable ingredient, delivering effective retinoid benefits for anti-aging and skin renewal with significantly reduced irritation, complemented by deep hydration and improved skin integrity.
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