CDF Sophora Japonica Extract

CDF Sophora Japonica Extract (≥40% Quercetin)

Ultra-potent botanical flavonoid source designed for advanced antioxidant, brightening-support, and skin-defense formulations.

Botanical Name: Sophora japonica (Flower Bud)

INCI Name: Sophora Japonica Flower Extract

Standardization: ≥40% Quercetin

Form: Fine powder

Appearance: Yellow to yellow-green powder

Solubility: Poorly water soluble; soluble in glycols, alcohols, and suitable solubilized systems

Function: Antioxidant support, brightening-support, skin-defense active

Sophora Japonica Extract is a concentrated botanical source of quercetin, one of the most studied flavonoids used in cosmetic formulations for antioxidant protection and support against visible signs of environmental stress.

Supplied as a cosmetic raw material for formulation use only.

What It Does

Provides strong antioxidant support to help protect skin from oxidative and environmental stress, contributing to a brighter, more even-looking complexion over time. Quercetin is widely used in advanced cosmetic systems targeting dullness, uneven tone, and visible signs of premature skin aging.

Due to its high potency, Sophora Japonica Extract is typically used at low levels and is well suited for concentrated serums, emulsions, and targeted treatments where performance and efficiency are priorities.

Key Benefits

• Delivers high-level antioxidant protection
• Supports brighter-looking, more even skin tone
• Helps defend skin against environmental stressors
• Effective at very low use levels
• Ideal for advanced and professional formulations

Suggested Use Level

• Typical use: 0.05–0.5%
• Lower levels recommended for leave-on systems

How to Incorporate

• Pre-dissolve in propanediol, glycerin, ethanol, or suitable solvent systems.
• Add during cool-down (≤40 °C).
• Ensure uniform dispersion before final blending.

Formulation Notes

• Not directly water soluble.
• Recommended finished-formula pH: ~4.5–7.0.
• Compatible with niacinamide, vitamin C derivatives, peptides, and other antioxidant systems.

Common Applications

• Antioxidant and brightening serums
• Anti-aging and skin-defense formulations
• Targeted treatment concentrates
• Professional cosmetic active blends

Documents

• Certificate of Analysis (COA)
• Safety Data Sheet (SDS)

Disclaimer

Supplied strictly as a cosmetic raw material. Not intended for direct application to the skin without proper formulation. Not a drug or medicinal ingredient.

Storage

• Store tightly closed in a cool, dry place.
• Protect from light and moisture.
• Use clean, dry utensils when handling.