Onions contain sulfur, which promotes hair growth by improving blood circulation to the scalp and stimulating hair follicles.
The sulfur in onions also strengthens hair strands, making them less prone to breakage and split ends.
Onions have anti-inflammatory properties that can help prevent hair loss by reducing inflammation in the scalp and combating conditions like dandruff and scalp infections.
The antibacterial properties of onions help in maintaining a healthy scalp by fighting off bacteria and fungi that can cause scalp infections and itching.
Onions contain antioxidants that nourish the hair follicles and promote the production of healthy oils, resulting in shinier and more lustrous hair.
Some studies suggest that applying onion juice to the scalp may help restore natural hair color and reduce the appearance of premature grey hair.
Onion juice acts as a natural conditioner, making hair softer, smoother, and more manageable, while also improving overall hair texture.