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By certification 
Herbex Stephania
Stephania Tetrandra is a herb belonging to the Menispermaceae. Its root, collected by the Chinese Pharmacopoeia as a herbal medicine, contains active component Tetrandrine and is effective for inhibiting inflammation.
INCI Name:
Water, Butylene Glycol, Stephania Tetrandra Extract
Features and benefits:
Tetrandrine can inhibit the synthesis of PGE2 and LTs in monocytes.
Tetrandrine can significantly inhibit macrophages’ release of TNF and IL-1 after stimulation by LBS.
Applications:
Recommended for anti-inflammatory products, soothing products, etc.
Suitable for lotion, gel, essence, cream, etc.
Specifications:
| Appearance | Yellow to deep yellow liquid |
| Odor | Slight characteristic odor |
| pH(25℃) | 3.0-5.0 |
| Refractive index(20℃) | 1.370-1.410 |
| Density(20℃) | 1.00-1.05 g/cm3 |
| Content of Tetrandrine(HPLC) | ≥0.1% |
| 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: Two years.
