GarlicGarlic is a rich source of sulfur which happens to be a vital component of many different types of proteins including keratin. Due to the presence of keratin protein, the hair does not turn brittle. In other words, keratin makes the hair stronger, promoting hair growth.
Sulfur is also good for improving the skin condition of the scalp.
Hence, when hair products containing garlic oil are applied on hair, it controls hair fall and promotes hair growth.