Can ImproveHair Growth
Onion juice can help you re-grow your hair and make it stronger. The onion juice improves blood circulation and provides the hair follicles with sufficient nourishment.
Onion also has anti-bacterial properties, so it helps with scalp infections that might contribute to hair loss.
In 2002, the Journal of Dermatology published a small study that looked into the use of onion juice for alopecia areata (an autoimmune disease that presents with patchy hair loss).
Participants who applied onion juice twice daily for two months experienced much better