Dozens of home remedies are said to stop hair loss dead in its tracks, everything from hanging upside down-to rubbing avocados on your head. The one thing these remedies have in common is little to no actual scientific evidence or clinical data to support their claims. Today, we'll be going over one of the most popular home remedies, onion juice. In this article, we will be discussing why some feel that onion juice can stop hair loss and whether or not it works.
How Does Onion Juice Stop Hair Loss?
Onions are rich in sulfur and amino acids, which are the building blocks for proteins. Proteins are essential in keratin and hair follicles. Sulfur boosts collagen, which promotes healthy hair growth and skin cells. Most believe that using onion juice on the scalp will not only stop hair loss but regrow hair.
Is there any Scientific Evidence?
There was one study in 2002, where researchers tested onion juice for alopecia areata, an autoimmune condition that causes the immune system to attack hair follicles. The treatment for alopecia areata and androgenic alopecia is different. The cause of Androgenic alopecia is by a hormone called DHT. DHT binds to susceptible androgen receptors on the scalp and slowly starts to shrink the hair follicles until they no longer grow- this process is called miniaturization or thinning.
There are several problems with the study, the first being it was used to research the treatment of an autoimmune condition and not genetic hair loss. Secondly, the clinical-study was almost 20 years ago, and thirdly not all of the participants completed the study. In the end, there wasn't enough evidence to convincingly say that onion juice stopped hair loss.
There is no scientific evidence to support the claims that onion juice will do anything for hereditary hair loss. There's a reason why researchers never bothered to study onion juice again. There are better treatments out there that are clinically tested and proven. Rogaine (minoxidil) and Propecia (finasteride) are the only two drugs that have been approved by the FDA to treat male and female pattern hair loss. To date, there is no better treatment than hair transplant surgery. It remains the only way to regrow hair on a completely bald scalp.
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