It is the best product for peoples with hair loss and sparse hair.It has magic effect. 1.Net weightEach bottle:25g2.ColorBlack,Brown,Light Brown,Medium Brown,Dark Brown,Light grey,Medium Blonde,Dark Blonde are available.3.Instruction For Application.Wash hair then dry,sprinkle the the hair thickening fibers on the areas of the hair where hair is thinning,bad,or balding.