Since there are no chemicals or dye (P.P.D), Swarzstar natural Heena is pure and natural, so it is completely safe for hair and skin. For best results soak Swarzstar Natural Henna is lukewarm water in an iron bowl for 2-3 hours. Apply the paste thoroughly from roots to the tips of hair. Leave for 2-3 hours. Rinse off thoroughly. After applying Heena, do not use soap or shampoo immediately. To keep your health healthy and shiny, use Swarzstar natural Heena Once in 25-30 days.