Quercetin: High-Purity Flavonoid for Antioxidant, Calming & Protective Skincare Formulations

Molecular Identity

• Chemical Name (INCI): Quercetin
• Molecular Formula: C₁₅H₁₀O₇
• Source: Naturally found in onions, apple skins, Ginkgo biloba, and Sophora japonica

Function & Applications

Quercetin is a widely researched plant flavonoid with high antioxidant capacity and skin-calming potential. Known for its ability to neutralize oxidative stress and support skin resilience, it is used in modern cosmetic formulations focused on protection, balance, and age-defense:

• Antioxidant: Protects skin from free radicals and oxidative degradation
• Calming Co-active: Helps soothe reactive or environmentally stressed skin
• Photoprotection Support: Enhances antioxidant systems in UV-exposed products
• Barrier Function: Aids in reinforcing the skin’s protective layer

Application areas: antioxidant emulsions, skin recovery serums, post-sun treatments, pre-aging defense systems, and scalp care. Offered in bulk format for commercial-scale cosmetic manufacturing.

Typical Usage & Dosage

• Skin & scalp care: 0.05–0.3%
• Anti-aging emulsions: up to 0.5%
• Daily antioxidant systems: 0.1–0.3%

Poorly water-soluble. Use solubilizers, nanoemulsions, or disperse in oil phase. Compatible with pH 4.5–7. Processing temp: ≤ 70 °C recommended.

Technical Highlights

• Purity ≥ 98% (by HPLC)
• Appearance: Yellow crystalline powder
• Botanical origin, vegan, non-GMO
• Low odor, suitable for fragrance-free or sensitive formulations

Each batch includes a complete technical file: COA, HPLC chromatogram, heavy metal analysis, microbial test report, residual solvents, and SDS.

Regulatory & Compliance Info

• INCI: Quercetin
• CAS Number: 117-39-5
• REACH status: available upon request
• Cosmetic-grade, compliant with EU/USA regulatory frameworks

Why Buy from Us – Bulk Ingredient Partner

• High-purity Quercetin optimized for cosmetic applications
• EU-based inventory for fast logistics and local support
• Flexible packaging from samples to full-scale production volumes
• Consistent batch quality with full analytical traceability
• Technical documentation included for QA and formulation teams
• B2B pricing adapted for manufacturers, labs, and raw material suppliers

Contact us for samples, bulk quotation, or full regulatory support for Quercetin.