This oil comes from pressing the seeds of the onion plant. High in essential fatty acids, Onion seed oil has anti - inflammatory, antibacterial and antioxidant content. Rich with Vitamin C, B6, Folic Acid and oleic and linoleic acids, it is known to help rejuvenate hair and boost blood circulation in the scalp. Onion Seed Oil is rich in sulfur which prevents breakage, split ends and thinning of hair. This is a proven remedy to boost hair regrowth and prevent hair fall.