Indigo Henna gives deep blue or blue-black colour to gray hair. Below, we have mentioned the method to color the gray hair to deep blue or blue-black. This is a 2-step process.
The above process will give a dark stain to your hair.
Specifications
Colour Name
Green
Indigo Powder 8 oz / 227 Gram (0.5 LB) | 100% Pure ~ No Preservatives & No Coloring Agents | NATURAL UNTREATED GREEN POWDER | Packaging May Vary