What are the pros and cons of using onion hair oil?

 Onion hair oil is thought to help with hair growth, thicken hair, and reduce hair loss. Some people also say that it helps to stop greying hair. The oil is made from onion juice, mustard oil, and coconut oil.

The pros of using onion hair oil are:
It is thought to help with hair growth, thicken hair, and reduce hair loss.
It may help to stop greying hair.

The cons of using onion hair oil are:
Some people may find the smell of onions unpleasant.