<p>Henna gives a red hair color and indigo a blue hair color and when combined together in proportion can result in a wide range of shades of brown, auburn chestnut copper chocolate to black. Black hair is always a two-step process: </p> <p><br>(1) apply henna from root to hair ends which will turn grey/white hair an orange red color after the required time left on hair, not less than 2 hours, the longer the better the color.</br> <br>(2) wash henna out and apply indigo for an hour to get black or more for jet black hair (say 1.5 to 2 hours).</br></p> <p><b>How much henna to use for hair length?</b> (Please note this is approximate and is dependent on length and thickness of hair i.e. short cropped hair or beard can get away with using 50g or less).</p> <p><b>Short hair – 100g | Neck - 200g | Shoulder - 300g | Waist - 500g</b></p>