1.Appearance:White sheet crystals
2.Assay(HPLC) :Min 98% min
3.It is modified kojic acid derivative, which not only overcomes the instability to light, heat and metallic ion, but also keeps activity of the inhibitory tyrosine and prevents the forming of melanin.
5.Storage conditions:should store in cool, dry conditions in well sealed containers.
7.Shelf life: 24 months
8.Advantages:high content,use less dosage,thus saving your production cost;environmently friendly,stable,low price make you more competitive
11. About 10-year manufacturers,have exported to America,Togo,South African,India,France etc many countries.