Polygonum Cuspidatum Root Extract(Herbex Cuspidatum)

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    2017-11-12 00:48

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Herbex Cuspidatum


Polygonum Cuspidatum is a perennial herb belonging to the Polygonaceae. The main active component Polydatin enables it to exhibit antioxidative, anti-inflammatory and whitening effects.


INCI Name:

Water, Butylene Glycol, Polygonum Cuspidatum Root Extract


Features and benefits:

Anti-oxidation: Polydatin inhibits the oxidative damage of UVB to HaCaT cells in vitro; it also increases the content of SOD and GSH-Px, and decreases the production of MDA which helps lower the content of ROS.

Anti-inflammation: Polydatin inhibits the expression of apoptosis and inflammation genes.

Whitening: Polydatin extract inhibits cell proliferation and the activity of Tyrosinase, thus reducing the content of Melanin in cells.


Recommended for anti-inflammatory products, repairing products, whitening products, anti-ageing products, etc.

Suitable for lotion, gel, essence, cream, etc.


Appearance Light yellow to yellow transparent liquid
Odor Slight characteristic odor
pH(25℃) 4.5-6.0
Refractive index(20℃) 1.370-1.420
Density(20℃) 1.00-1.05 g/cm3
Content of Polydatin(HPLC) ≥0.2%
Total bacteria < 100 CFU/ml
Yeast and mold < 10 CFU/ml
Hg < 1 mg/kg
As < 2 mg/kg
Pb < 5 mg/kg
Cd < 5 mg/kg


Recommended use level: 1.0 - 5.0%.


Shelf life: One year.