Onion Oil helps in effectively optimizing hair growth cycle due to the presence of plenty of antioxidants which particularly works for boosting the functioning of certain enzymes that work together in preventing hair fall.It is a magical oil for promoting hair regrowth. Using onion oil on a regular basis will effectively prevent and treat baldness.Onion oil is rich in sulfur which prevents breakage, split ends and thinning of hair. Other nutrients present in onion prevents oxidation of hair. It also maintains the regular pH of the hair, preventing premature greying.It also ensures that your hair is well nourished, and due to the presence of sulfur the quality of hair follicles are also improved.It nourishes your scalp and improves the blood circulation, thus ensuring thicker and stronger hair growth