Is Bigen Powder Hair Colour enough to cover the whole head of hair?
Bigen Powder Hair Colour contains 6g of powder. It becomes about 68.5g after mixing with 5 measuring cups provided of tap water. This amount can normally cover the whole head of hair ranging from short to semi-long length hair depending on the thickness of hair. For long-haired person, two bottles may be needed, but only at the very first application. One month later, about one centimeter of new growth will come up and it is the time for retouching. You do not need to apply Bigen Powder Hair Colour to the previous tinted part because it has still nice colour; Bigens color lasts for about 3 months. Therefore, apply Bigen Powder Hair Colour to only new growth and in this case a half bottle is enough and then the reminder can be kept for future application. The ordinary permanent hair colors fade easily in one month after application, so you have to use up a whole bottle to cover not only the new growth but also the previous tinted part every month.
