Hello
Onion oil does contain sulphur which induces stimulation of hair growth but oiling helps in hair growth is something which doesn't have obvious scientific basis so can't comment.
Hair oil mainly help in moisturization of scalp and hair so thrice a week oiling prior 2 hours before shampooing might help
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Consult me online via practo pro to hair restoration treatment at home via oral and topical medications
Answered2020-10-19 08:28:08
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