Onion and methi oil, rich in sulfur, proteins, and antioxidants, promotes hair growth and scalp health. Prepared using onion juice, methi seeds, and coconut or olive oil, this homemade blend ...

Sulfur is a key component of collagen, which is vital for the health of hair follicles. Onion juice helps stimulate collagen production, which in turn supports the growth of fairly new hair.