Kojic acid is a specialized inhibitor specifically targetting melanin synthesis. Upon penetrating the outer layers of the skin, it effectively prevents tyrosinase activity by binding with copper ions within cells. Research indicates that Kojic acid and its derivatives exhibit a significantly higher inhibitory effect on tyrosinase activity compared to alternative skin whitening agents. It is most commonly formulated as a skin-brightening or depigmenting agent at a standard concentration of 1%.
| Items | Specification | Result |
|---|---|---|
| Kojic Acid | 99% | 99.02% |
| Organoleptic | ||
| Appearance | Fine Powder | Conforms |
| Color | White powder | Conforms |
| Odor | Characteristic | Conforms |
| Taste | Characteristic | Conforms |
| Physical Characteristics | ||
| Particle Size | NLT 100% Through 80 mesh | Conforms |
| Loss on Drying | <=12.0% | Conforms |
| Ash (Sulphated Ash) | <=0.5% | Conforms |
| Total Heavy Metals | ≤10ppm | Conforms |
| Microbiological Tests | ||
| Total Plate Count | ≤10000cfu/g | Conforms |
| Total Yeast & Mold | ≤1000cfu/g | Conforms |
| E.Coli | Negative | Negative |
| Salmonella | Negative | Negative |
| Staphylococcus | Negative | Negative |
| Weight | Packing Method |
|---|---|
| 1kg | Bag/kg, box outside (Double plastic bag + Aluminum foil bag inside) |
| 10kgs, 25kg or more | By drums or carton (2 layers plastic bag inside) |
| Weight | Delivery Method | Delivery Time | Destination |
|---|---|---|---|
| 1kg - 25kgs | EMS, DHL, UPS, FedEx | 3 - 7 days | Door to door |
| 25kgs - 100kgs | DHL, FedEx, by Air | 3 - 7 days | Door to door (to Airport by Air) |
| More than 100kgs | By Air | 3 - 7 days | Door to Airport |
| By Sea | 10 - 35 days | Door to port |