This Oh That Natural Red Onion hair oil is rich in sulfur which prevents breakage, split ends and thinning of hair. It nourishes the scalp and can be used as a conditioner, before your shampoo. It acts as a natural conditioner that prevents dryness and controls frizz. When added to the hair and scalp, Oh That Natural onion oil can provide extra sulfur to support strong and thick hair, thus preventing hair loss and promoting hair growth. ... Applying onion juice to the hair and scalp could increase blood supply to hair follicles, which in turn improves hair growth. Oh That Natural Red Onion hair oil is one of the most valued hair products in recent times. It is trusted and highly recommended hair oil which promotes hair growth and solves all your hair problems. This oil is loaded with immense amount of vitamins C, which improves the blood circulation and quercetin the potent antioxidants fights inflammation. Also, this oil possesses antibacterial and antiseptic properties that aids to ward off dandruff.