Onions are considered a prebiotic, meaning they provide fuel to the 'good' bacteria in the gut, which is responsible for the absorption of nutrients. Onion juice might be a bit smelly, but it has been shown to treat alopecia areata by stimulating hair growth successfully. It also improves circulation, keratin growth, and blood flow to the hair follicles. Thus, onions are only beneficial when it comes to growing healthy, gorgeous hair naturally. Individuals who wish to try this remedy can start by adding onions to their regular diet. They can also blend a few onions, squeeze the juice out, and apply the juice directly to their hair. One applied, they should leave it on for approximately fifteen minutes before washing it out.
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