Use 1/2 teaspoonful of Ancient Sunrise© CMC Powder per 100g of Ancient Sunrise© indigo, The texture of indigo paste is more difficult to handle than henna paste, and can be a nuisance when dyeing your hair. If you add CMC powder, the texture is much easier to work with. CMC is carboxymethyl cellulose, a product of cornstarch, often used as a thickener in salad dressings. CMC is used to make salad dressings thick and creamy instead of runny. It will help smooth out your indigo paste.