Science
Mechanism of Action
This ingredient functions primarily as an antioxidant, diligently neutralizing free radicals to shield the skin from environmental stressors such as pollution and UV radiation. Concurrently, it acts as a humectant, drawing moisture from the environment into the skin to enhance hydration and maintain suppleness. As an ascorbate derivative, its vitamin C component contributes to crucial biological processes, including the improvement of overall skin tone, the reduction of hyperpigmentation and post-breakout marks, and the support of dermal firmness by providing reducing power essential for collagen modification via α-ketoglutarate-dependent non-heme iron dioxygenases.
Research
Clinical Evidence
Low confidenceN/A
Key findings
- 01 A related amphipathic vitamin C derivative, Glyceryl octyl ascorbic acid (GO-VC), demonstrated efficacy against acne redness and pigmentation, with a 0.1% gel significantly improving post-inflammatory pigmentation over 1 to 5 months.
- 02 Ascorbyl 2-O-glucoside, another vitamin C derivative, at a 2% concentration in a gel formulation, enhanced transdermal drug delivery through pig skin by 15-fold compared to passive diffusion.
- 03 Glyceryl Ascorbate, a component of this ingredient, is utilized in skincare at concentrations between 1% and 10%. However, specific clinical data on percentages required for targeted results like discoloration, wrinkle reduction, or skin tone improvement for this component are currently not available, though comparable concentrations to pure vitamin C are often suggested.
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Engineered for enhanced stability relative to L-ascorbic acid, MYRISTYL 2-GLYCERYL ASCORBATE leverages its derivative structure. Glyceryl Ascorbate, a core component, offers improved stability and formulation versatility. Related derivatives, such as 3-Glyceryl Ascorbate (Amitose 3GA), exhibit high stability across various formulations like serums, gels, and creams, maintaining integrity without color changes or viscosity issues even under elevated temperature stress (e.g., 15.0% in serum at 50°C for 12 weeks). The amphipathic nature observed in similar derivatives facilitates stable dispersion within water-soluble polymer gels and mitigates lipid oxidation and color change common with some fat-soluble vitamin C derivatives. General ascorbate stability is influenced by factors such as oxygen exposure, temperature, product viscosity, and pH, and is notably accelerated by the presence of certain metal ions.
Conflicts
- metal ions (e.g., copper, iron, zinc)
- high pH environments
Safety
Safety Profile
MYRISTYL 2-GLYCERYL ASCORBATE is identified as a 'new ingredient' and is currently 'not rated' by Paula's Choice. For the closely related Myristyl 3-Glyceryl Ascorbate, it is generally considered safe for topical cosmetic use, with infrequent reports of adverse reactions, though patch testing is recommended. Direct data regarding its safety during pregnancy or breastfeeding is not available. The CIR Expert Panel, in a 2005 review reaffirmed in 2024, concluded that Ascorbic Acid and its broader group of related Ascorbates are safe for use in cosmetic products, with maximum concentrations varying per derivative (e.g., Ascorbic Acid up to 17%, Magnesium Ascorbyl Phosphate up to 0.5%). No specific SCCS or FDA status has been found for MYRISTYL 2-GLYCERYL ASCORBATE itself.
Your Skin
Skin Compatibility
Our Assessment
Verdict
While demonstrating promising mechanisms and drawing parallels to effective related vitamin C derivatives, direct clinical evidence for MYRISTYL 2-GLYCERYL ASCORBATE itself is currently insufficient to assign a definitive efficacy rating.
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References
Sources