离岸价格
获取最新报价( Negotiable )
|Minimum Order
位置:
-
最小订单价格:
-
最小订单:
1 Kilogram
包装细节:
Paper drum (450mmÃ��Ã
交货时间:
10 to 20 days
供应能力:
100 Kilogram per Month
付款方式:
T/T, L/C
联系人 Ms. Alice
NO.40-1004, West Zone of TusPark, Suzhou Industrial Park, Suzhou, Jiangsu
Kojic acid is a kind of specialized inhibitor for melanin. It can prevent the tyrosinase activity through synthesizing with copper ion in the cells after it enters skin cells. Kojic acid and its derivative has better inhibitory effect on tyrosinase than any other skin whitening agents. At present it is assigned into various kinds of cosmetics for curing freckles, spots on the skin of old man, pigmentation and acne.
Specifications
|
Item |
Specification |
|
Assay |
≥*9% |
|
Character |
White or Cream Colored Acicular Crystal |
|
Melting Point |
******6（±0.5）℃ |
|
Loss on drying |
≤0.5 |
|
Sulfated ash |
≤0.5 |
|
Heavy metals |
≤3ppm |
|
Arsenic |
≦2ppm |
|
Iron |
≤*0ppm |
|
Chloride |
≤*0ppm |
|
Clarity of solution |
Colorless and transparent |
