There are three different methods for dying hair with henna and indigo pastes. Two step method is recommended for dark hair. This is always recommended to do two step method for black or brown shade, if you r doing it for the first time or you are converting from chemicals.<br /><br />TWO STEP METHOD TO GET BLACK SHADE (Recommended)<br />1st step : Make henna paste according to organic roots’ HENNA paste recipe. Follow complete process of making, applying and washing it out. (Keep paste applied for 3 to 6 hour)<br />2nd step : Make Indigo paste according to organic roots’ INDIGO paste recipe. Follow complete process of making, applying and washing it out. (Keep paste applied for 1-2 hours)<br />