One of the plant-derived flavonoids found in a variety of plants. and found in high amounts in onions

Purity: UV 98% Min, HPLC 95% Min.

Quercetin is a plant-derived flavonoid found in a variety of plants. and found in high amounts in onions

From the experiment, it was found that Quercetin Has high anti-oxidant efficiency

1. Antioxidant Properties:
   • Quercetin exhibits potent antioxidant properties, helping to neutralize free radicals and protect the skin from oxidative stress.
   • Research paper: Boots, A. W., Haenen, G. R., & Bast, A. (2008). Health effects of quercetin: From antioxidant to nutraceutical. European Journal of Pharmacology, 585(2-3), 325–337.
2. Anti-inflammatory Effects:
   • Quercetin has been found to possess anti-inflammatory properties, reducing inflammation and soothing irritated skin.
   • Research paper: González-Gallego, J., García-Mediavilla, M. V., Sánchez-Campos, S., & Tuñón, M. J. (2015). Fruit polyphenols, immunity and inflammation. British Journal of Nutrition, 104(S3), S15–S27.
3. UV Protection:
   • Quercetin has been shown to have photoprotective effects, helping to protect the skin from UV-induced damage.
   • Research paper: Foti, C., Cassano, N., & Romita, P. (2015). Quercetin and derivatives: Useful tools in inflammation and pain management. Future Medicinal Chemistry, 7(12), 1451–1465.
4. Collagen Stimulation:
   • Quercetin may stimulate collagen production, promoting skin firmness and elasticity.
   • Research paper: Wu, J. Y., Yuan, X. L., Wang, K., & Yi, J. (2017). Quercetin increases the antioxidant capacity of the ovary in menopausal rats and in ovarian granulosa cell culture in vitro. Biomedicine & Pharmacotherapy, 90, 88–97.
5. Wound Healing:
   • Quercetin may accelerate wound healing by promoting tissue repair and regeneration.
   • Research paper: Fernandes, E. S., Guedes, J. R., Leitão, S. G., Leitão, S. G., Silva, C. A., Silva, C. A., ... & Martins, D. T. (2018). Attenuation of mechanical hyperalgesia and improvement in motor function in a rat model of neuropathic pain after topical application of quercetin. Food and Chemical Toxicology, 118, 151–158.

Usage: for all kinds of products who want to enhance anti-oxidant efficiency

Mixing method: dissolved in glycol, then mixed with the main formula.

Usage rate: 0.1-5%

Product appearance: Yellow powder

Solubility: can dissolve in glycol

Storage: For long-term storage Store at room temperature. Do not expose to sunlight or heat. Seal the lid tightly. Avoid moisture. At least 24 months old

INCI Name : Quercetin

Examples of products that use Quercetin as an ingredient

Paula's Choice Resist Ultra-Light Super Antioxidant Concentrate Serum

Paula's Choice RESIST Advanced Replenishing Toner

paula's choice RESIST SUPER-LIGHT WRINKLE DEFENSE SPF 30

Paula's Choice Clinical Scar-Reducing Serum