Onion Juice for Hair: Can it stop hair loss and regrow hair naturally?

Hair loss is a very common and frustrating issue nowadays all over the world. American Academy of Dermatology says, 80 million humans in the United States have some kind of hair loss problem. So, from this data, we can understand how deep the issue is.

Hereditary is one of the most reasons for it and the condition called androgenetic alopecia. It can also be the side effects of medication or hormonal changes.

Let’s talk about the solution to this problem: –

Onion is not only a kitchen element but also a very effective thing to recover hair loss. It contains high sulfur and some special mineral that helps to prevent hair loss.

Onion juice for hair loss:

Onion Juice for hair regrowth

Before starting here is a caution, an allergic should avoid onion juice for their hair. If the juice smells much raw then add a little lemon-lime or rose water.

Experimental Point:

According to the Journal of Dermatology indicated that applying onion juice to the scalp might help hair regrow in some people. The hair growth started after 2 weeks of using onion juice, which was applied to the scalp twice daily. Almost 74% of participants had some hair regrowth after 4 weeks, and at 6 weeks about 87% experienced hair regrowth.

How it helps:

Nutrients in the onion juice applied to the hair may nourish the hair follicles, it might increase volume, shine, and improve hair strength. It could also minimize breakages.

A theory on onion juice says it can help hair regrowth as it contains dietary sulfur. Sulfur is important minerals in the body. It’s adequate production of enzymes and proteins. It is also found in keratin, which is one of the components of hair.

The sulfur in onion juice may provide the hair with the nourishment it needs to grow. Onion’s anti-bacterial properties fight scalp infections. It contains antioxidants, such as flavonoids which protect the body from free radicals.


Well, the process is simple. Just follow these steps- Peel around 4 onions and chop them into small pieces. Now, Extract the juice out of the onion by either squeezing it or using a juicer.
Apply the juice to the scalp or the hair roots. Peppermint, lavender, and rosemary essential oils can be good options to dilute the smell.

Side Effects:

Test the onion juice on a small patch of skin before applying it to the scalp, apply to the skin can cause symptoms in allergic people. Onion juice can also be disturbing to the skin among non-allergic, it causes redness and itching.

To make sure that onion juice does not cause significant irritation, doing a patch test before applying the liquid to the whole scalp may be useable. To do this, a person can apply a small amount of onion juice to the inner elbow or back of the ear and wait a few minutes. If irritation develops, it is best not to apply the juice to the scalp.

It is also important to look after that the onion juice doesn’t get in the eyes. If onion juice does get into the eyes, it is important to rinse it away with cool water. Although it’s not a harmful side effect, onion juice can have a very strong smell.

The odor may dissuade some people from continuing with onion juice treatment, as it must be applied every day to have the best chance of being effective.

Read more: Natural Home Remedies To Remove Acne Scars


Some people might have success using onion juice for hair regrowth or conditioning while others will not. Growing hair is a slow process. You should keep patience for the best result and It takes a commitment to use the onion juice at least twice daily for several weeks to get the best result for the specific period.

It is not clear or stable yet that if the hair growth will continue or the hair will return to its previous state if anyone stops using it.

In the end, it is saying that the use of onion juice, as a hair treatment, maybe not a shocking cure for hair loss. It is a safe process for every people almost but without the one who is allergic to onion.

The Side effects of the onion juice treatment also appear to be minimal. It’s quite easy and not highly expensive to make an onion juice rinse for the hair. Various hair treatments containing onion are available to purchase online.

This is important to mention that even if the use of onion juice does not produce or improves hair growing or a full head of hair, it probably will not damage existing hair.

In this case, for some people with hair loss, the use of onion juice may be a possible natural process that is worth a try. It is important to take a step to prevent this problem forever.

Here is a simple video guideline to check out on How to apply onion juice on hair.


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