Lorganics Onion Shampoo Bar Boost Hair Growth Onion shampoo is excellent to stimulate blood circulation and expedite hair growth. Onion helps prevent premature greying of hair. Very good at hair follicle nourishment and help restore lost nutrients to your scalp. It has potent anti-bacterial properties and help fight infections of the scalp. This, in turn, helps reduce hair fall as scalp infections can cause massive loss of hair. Onions lend a healthy shine to hair, also makes your hair uninhabitable for lice. This adds volume by using regularly. This fight dandruff owing to their rich anti-bacterial properties. Helps eliminate head lice