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1. Inhibit the activity of endogenous tyrosinase


2. Whitening effect is better than arbutin, kojic acid and ascorbic acid ester magnesium

3. The same concentration, hydroquinone has obvious toxicity, this product isn’t poisonous to the cells.

4. In human epidermal keratinocytes the product has significant light protection, thus the protect can keep skin from UV damage.

5. In vivo experiments,the product has obvious whitening effect.

6. In the final formula the product has reliable stability.

7. This product is absolutely safe in cosmetic applications.

 




Product Name:
 
TETRAHYDROCURCUMIN
Quantity:
100KG
Specification:
Company Standard
 
I t e m
 
Specification
 
Analytical Result
 
Assay
≥98%
98.6%
 
Character
Off-white to white Powder
 
Conforms
 
Solubility
 
Soluble in ethanol
 
 
Conforms
 Loss on drying
≤1.0
0.2
 
Sulfated ash
 
≤0.5
 
Conforms
 
Heavy metals
 
≤10ppm
 
Conforms
(As)
≤2ppm
 
Conforms
(Pb)
≤1ppm
 
Conforms
(Hg)
≤1ppm
 
Conforms
(Cd)
≤0.3ppmnt
 
Conforms
 Total Bacteria
≤1000cfu/ml
 
Conforms
Yeast Mold
≤100cfu/ml
 
Conforms
Salmonella
 Negativ
 
Conforms
E.Col
 Negativ
 
Conforms
B1(Aflatoxin)
≤5.00μg/ml


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