Review on ORGANIC INDIGO POWDER for Hair Dye/Color - The Henna Guys (200g) by Amber Blackwell

I've always hated the orange color henna leaves on gray hair. The harmful effects of chemical dyes in the long term were also known. Finally, this product worked like a miracle. On henna dyed hair (shown in the last 3 photos) I applied powder soaked in indigo the next day. Leave on for 3 hours and then wash with shampoo. Now I get a fairly dark black color (first 3 photos) with no trace of brown or orange roots. Although spending 3 hours on henna and 3 hours on indigo for two days is tedious, the results are worth it. Next time I'll try mixing henna and indigo and see if it works. If possible I will post my observation.