Science
Mechanism of Action
In skincare, Sodium Formate functions as a broad-spectrum preservative by interfering with the cellular processes of bacteria and fungi, thereby ensuring product stability and hygiene. As a humectant, it actively attracts and binds water to the skin's surface, improving epidermal hydration and reducing dryness. Furthermore, research indicates its potential for mild anti-inflammatory properties, which can help calm minor skin irritations. It also plays a crucial role in maintaining optimal product pH.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
Sodium Formate exhibits high water solubility and is hygroscopic, meaning it readily absorbs atmospheric moisture, which may lead to clumping. While generally stable under normal conditions, improper storage—specifically, not keeping it in a cool, dry, airtight container—can cause decomposition over time and the potential release of formaldehyde.
Conflicts
- strong acids
- oxidizing agents
Safety
Safety Profile
The Cosmetic Ingredient Review (CIR) Expert Panel concluded that Sodium Formate is safe when used in cosmetic formulations at current concentrations, provided the final product is non-irritating. The highest reported concentration in use is 0.34%, though the European Commission permits its use as a preservative up to 0.5% (expressed as acid). It has an FDA Generally Recognized As Safe (GRAS) status for indirect food additives.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Sodium Formate is a valuable multi-functional ingredient, offering effective preservation and hydration benefits, alongside potential soothing properties, suitable for all skin types.
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