Product Overview
Quercetin is a natural flavonoid extracted primarily from Sophora japonica or onion peel. With a purity of ≥95%, it is widely used in cosmetic formulations for its powerful antioxidant, anti-inflammatory, and soothing properties. It helps protect skin from oxidative stress, reduces redness and irritation, and supports skin barrier function—making it ideal for sensitive, mature, or stressed skin care applications.
Key Benefits
- Potent antioxidant protection
- Helps reduce skin inflammation and redness
- Improves skin tone and overall appearance
- Supports anti-aging and calming formulations
- Plant-derived, suitable for natural/clean beauty products
Applications
Quercetin is suitable for use in:
- Anti-aging creams and serums
- Soothing masks and moisturizers
- Post-sun repair formulations
- Products targeting sensitive or irritated skin
Technical Specifications
INCI Name | Quercetin |
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CAS No. | 117-39-5 |
Origin | Plant-derived (Sophora japonica or onion skin) |
Appearance | Yellow crystalline powder |
Odor | Mild plant-like odor |
Purity | ≥ 95% Quercetin |
Solubility | Slightly soluble in water, soluble in ethanol and oils |
Recommended Usage | 0.1% – 2% (based on formulation needs) |
pH Stability | 4.0 – 7.0 |
Shelf Life | 24 months (sealed, cool & dry condition) |
Packaging | 1kg / 5kg / 25kg foil bags or fiber drums (customizable) |
Storage & Handling
Store in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and moisture. Avoid prolonged exposure to air.
Compliance & Quality
This product is compliant with cosmetic-grade ingredient standards and is suitable for both conventional and natural skincare lines. COA, MSDS, and technical documents are available upon request.