I said I wasn't going to do another Henna treatment because I wanted to color my hair. Well, My gray hairs were sprouting all over the place and I just decided against the hair coloring thingy all together. I feel like my hair does best when there are absolutely no chemicals in it at all.
I always do a Henna treatment THEN the Indigo color. It covers my grays better and makes make hair much,much darker. Take a look at the video below of how I mix and apply the Indigo: