Onions are also very high in plant nutrients called quercetin – this is a powerful antioxidant and anti-inflammatory. It helps to get rid of free radicals which can harm the cells of the body (including hair cells). It also protects our hair and skin from air pollution and other toxins.
The good news is that there is ample anecdotal evidence to support onion juice benefits. I have heard from family and friends that onion juice can promote thick hair growth. Also, I have read hundreds of comments online where many people were singing praises for onion. You can do your own study by trying out onion juice on your hair.
It’s been my random observation that men and women who eat raw onion with their meals have thick beautiful hair. And they also do not grey early. It seems there is a connection between onion and good hair. Onions are packed with two amazing ingredients – Sulphur and Quercetin that can help boost hair growth.
Besides, onions are a good source of biotin (often touted as the ‘hair growth vitamin’), flavonoids, manganese, copper, vitamin C, phosphorous, and folic acids – all very important for healthy and shiny hair.