Items | Specifications | Results |
Appearance | White to off-white crystalline powder | White crystalline powder |
Water | ≤1.0% | 0.3% |
Melting range | 111℃-116℃ | 113.4℃-115.3℃ |
PH | 3.0-4.5 | 4.4 |
Water solubility | Colorless to light yellow transparent liquid | Colorless transparent liquid |
Total bacterial count | <100CFU/g | Conform |
Heavy metal | <10PPM | Conform |
As | <2 PPM | Conform |
Assay | ≥ 99.0% | 99.9% |
Conclusion | Results conform with the enterprise standard |
Usage:
1.Inhibit the activity of Tyrosinase, prevent the synthesis of melanin.
2. Improve the synthesis of collagen, accelerate the complexion of skin.
3.Strong antioxidation, eliminate the free radical.
4. Resist inflammation, inhibit the growth of bacteria.
