Harbal Mehndi (Hina) 500 gm For people suffering from hair loss or baldness, henna also inhibits this from happening. The traditional mixture is putting henna juice or oil into curds and then mixing this into your hair, as this increases the efficiency of the treatment.Henna’s benefits for the scalp assist in improving follicle health. This, in turn, curbs hair fall and boosts the rate at which hair grows. All of these benefits make henna an excellent hair care ingredient.