How To Use Onion Juice For Hair Growth ~ 3 Effective Onion Remedies To Try

They may seem like a simple kitchen staple but the truth is that onions have other important uses than just adding flavor to food. One such use is as a home remedy for supporting hair growth and preventing hair loss.

Data from the American Academy of Dermatology shows that about 80 million men and women in the US alone face some form of hair loss.

Fortunately, onion juice contains certain nutrients that may help stimulate hair growth.

A small study appearing in the Journal of Dermatology indicates that when applied to the scalp, onion juice might help regrow hair in some people.

More studies still need to be done to ascertain the benefits and effectiveness of this common vegetable, though.

As it stands, many people seem to be benefitting from this hair maintenance routine. But before we even talk about how to use onion juice for hair growth, let’s first understand how this pungent-smelling juice may help.

How The Onion Juice Routine May Help

Onion Juice For Hair

The nutrients naturally available in onion juice can increase hair volume and strength.

What’s more?

The juice may help nourish dormant hair follicles making them more likely to produce new hair strands. As such, it can be of help to you if you’ve been experiencing symptoms like:

  • Hair thinning in temples
  • Weak hairline
  • Receding hairline

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Rich in Dietary Sulfur

Onion juice is thought to be rich in dietary sulfur which is needed for the optimal production of proteins and enzymes. What’s more? Keratin, the material used to make hair and nails, contains sulfur.

Therefore, by replenishing your dietary sulfur supply, this juice may provide you with the nourishment you need to grow stronger hair and nails.

Antioxidant Properties

Onions are naturally rich in flavonoids. What are flavonoids? You might be wondering. Well, these are antioxidants believed to protect body cells from harmful, free radicals.

What you need to know is that a build-up of free radicals leaves your hair follicles susceptible to damage.

Therefore, by canceling them out, you not only reduce the likelihood of your hair follicles getting damaged but also ward off balding.

Powerful Anti-Microbial Properties

Has your scalp been too itchy of late? It could be that you’re suffering from scalp infections. In quite a few cases, scalp infections accelerate hair loss.

Fortunately, you can count on the natural anti-microbial properties found in onions to deal with such infections.

And above all, with a healthy scalp, you’re likelier to grow stronger hair follicles.

How to Use Onion Juice for Hair Growth

How To Use Onion Juice For Hair

Finally – let us now talk about the dos and don’ts of this practice. And to start us off is the following how-to guide.

Requirements: Onions, Strainer, Bowls/Jars, ball of cotton

Step One

Peel the onion so you are left with fleshy leaves of it. Chop it up into small pieces and blend it to create a thick mixture.

Step Two

Place the blended onions on a strainer placed on top of a bowl. This will enable you to collect a light-purplish juice. We’d recommend sieving this juice twice to remove any onion pits.

Note: Onion pits are quite difficult to wash off once you’re done applying the juice to your hair scalp. So, if you don’t want to spend the rest of the week smelling onions, we recommend sieving this juice twice.

Step Three

Before applying this regimen on your head, you want to make sure your scalp is thoroughly cleansed. You can do so by washing it with a natural and gentle shampoo. If you don’t have shampoo, you may use apple cider vinegar.

Step Four

To apply on your scalp, you’ll need to use a cotton ball. Simply dip the ball of cotton in the onion juice. Then partition your hair to reveal sections of your scalp where you can douche the cotton ball as you apply this treatment.

You want to partition as many sections of your hair as you can (one at a time) until you’ve pretty much applied the juice all over your head.

At the same time, avoid applying the juice to your hair strands. Instead, you want to focus on the scalp.

Step Five

Now that you’re done applying the next step is to cover your head with a shower cap. Once that’s done, leave the juice to sit in for 60 minutes or so.

Note: Apply twice a week for 3 months if you want the best results.

Onion Juice + Castor Oil – Method 2

Onion Juice And Castor Oil

Castor oil is rich in ricinoleic acid which is thought to help in fighting inflammation. When applied directly to the scalp, it is thought to support hair growth and protect against hair loss.

Therefore, mixing onion juice and castor oil is a good idea if you want to tackle multiple pressure points at once.

That said, we should warn you that this mixture can irritate your scalp. So, it’s recommended to do a patch test particularly if your skin is the highly sensitive type.

How to Prepare

Requirements: Onion, Castor Oil, Blender, Strainer, Bowl, Cotton Ball, Tiny Bottle

Step One

Chop the onion into small pieces which you’ll then put inside the blender for blending. This way, you’ll end up with a thick paste.

Step Two

Place the paste on a strainer in such a manner that the juice from it will drip down to a bowl beneath it. That way, you’ll be able to collect just enough juice for use. You may want to strain twice so you end up with a clean form of the juice.

Step Three

Carefully pour the juice into the bottle. At the same time, get 1 tablespoon of castor oil and add it inside this bottle.

Note: For these two to blend uniformly, you’ll need to shake the bottle vigorously for a few seconds.

Step Four

With the mixture well blended, it’s now time to apply it. You’ll need to partition small sections if your hair to create room for direct application on the scalp. For an effective application, you may want to use a cotton bowl.

You may also want to massage your scalp during the application. This will improve the rate at which the ingredients penetrate and also boost blood flow to your hair follicles.

Step Five

Cover your head using a shower cap or wig cap for at least 10 minutes. You can leave it for up to 30 minutes if your scalp doesn’t get irritated or itchy. But the moment you start feeling the heat, you might want to rinse off the mixture from your hair using clean water and your favorite conditioner.

Onion Juice + Ginger – Method 3

Onion And Ginger For Hair

Ginger is believed to contain circulatory elements that can increase blood supply to your hair follicles. It’s also may stop your hair from thinning given that it’s rich in essential fatty acids.

How to Prepare

Requirements: Onion, Ginger, Blender, Strainer, Bowl, Cotton Ball, Carrier Oil, Tiny Bottle

Step One

Chop the onion and ginger into small, easy-to-blend pieces. Place it in your blender and blend to produce a smooth and consistent paste.

Step Two

Place the paste on a strainer to squeeze the juice out. As usual, you might want to do this twice so you end up with nothing but clean, fresh juice.

Step Three

Pour this juice into your tiny bottle. Inside it, add a teaspoon of your favorite carrier oil it could be coconut oil, olive oil, etc. Once that’s done, shake the contents vigorously for 30 seconds.

Step Four

Use a cotton ball to apply this treatment directly to your hair scalps. Cover with a wig cap for 30 minutes before finally washing the hair with a natural shampoo or conditioner.

You may repeat this treatment once or twice a week.

How To Remove The Onion Smell From Your Hair

Remove Onion Odor From Hair

The pungent smell of onions might give you a tough time every time you apply this natural onion juice remedy of hair growth. Fortunately, there are quite a few things you can do to deal with it.

Below I’ve listed some home remedies that you can use to mask the smell of the onions. You can choose any one depending on the availability of ingredients that you have.

1. Condition Your Hair

Wash off the juice with a conditioner. Once that’s done, rub it using a stainless-steel object e.g. a spoon.

Sulfur, the cause of the pungent smell in onions, tends to be attracted to stainless steel objects. Therefore, by rubbing with a stainless-steel spoon, you can significantly reduce the onion smell.

2. Apply Some Lemon Juice

Lemon juice is quite effective at removing odor from just about anything in this world. The only warning is that this juice can actually lighten your hair if it comes into direct contact with the sun. So, avoid going straight out into the sun upon using this method.

Generally, you need to work with some fresh juice. Apply it to your scalp and leave it on for 20 minutes. Rinse with warm water afterward.

3. Using Essential Oils

Some folks recommend adding some essential oils to the juice to mask out the smell. You may use peppermint oil for that because it’s also known to stimulate the hair follicles.

4. Tomato Paste

You simply need to make a thick tomato paste using fresh tomatoes at home. Apply it and leave it to sit in for 20 minutes or so before finally rinsing out with warm water.

This isn’t a popular method, though but some folks swear by it nonetheless.


So in the article, we’ve provided you with 3 separate remedies on how to use onion juice for hair growth. While it is not an overnight fix, if you apply any of the 3 remedies consistently for several weeks, we are sure you start seeing some amazing results.

So, there you have it – a guide on various ways you can put onion juice to use for your hair health. Thanks for reading!

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