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 graying.

If you wish to maintain the natural color of your hair, you can blend an onion with an adequate amount of mustard oil and apply it to your hair.

Help get rid of moles. You can use onion oil to get rid of moles too. The components in it can heal moles as well.