1.Appearance:White fine power or crystals
2.Assay(HPLC) :Min 99% min
3.With the formulation stability of excellence, will essentially inhibitory discoloration and degradation, and retains all the biological activity, to brighten the whitening effect, resist ultraviolet radiation and anti-aging.
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.