Sky Morn Henna and indigo will not hurt your scalp or your body. It covers the Grey hair Naturally. The Packet Contains : 500gm. organic Indigo powder & 500g. organic Henna for two step Hair Coloring. Method to dye hair black using pure Organic Henna and Indigo Powder: Step 1: 1. Wash and dry your hair 2. Put the Gloves in your hand. 3. Make the Organic Henna Paste. 4. Apply the Organic Henna Paste to your hair. It is important to get a thick coating on every hair, clear down to the scalp. 5. Wrap up the hennaed hair in plastic wrap and relax for 2 hours. 6. Rinse all the henna out of the hair and towel dry. Step 2 : 1. When Hair is dry, Mix up the indigo. 2. Put the indigo immediately into your hair. Do not wait for dye release from indigo. 3. Wrap the hair with plastic wrap, and rest for 1 Hour. 4. Rinse the indigo out of your hair. 5. If you see a greenish tone, don't panic. It will go away in a day or two as the indigo oxidizes. Your hair will take 2 days to settle into the true color. Note: Sometimes gray hair is resistant to dye, and you may have to do this more than once, or leave the henna and indigo on longer. Note: Please keep the 24 Hrs. difference between these two steps.