onion juice for hair

When you think of onions, the first things that might come to mind are teary eyes, pungent aroma, and delicious dishes. But, did you know the simple onion in your kitchen could be a secret hair superhero? That’s right! The same onion that adds flavour to our food has some amazing tricks up its sleeve for our hair. Get ready to be surprised as we explore eight cool ways onion juice can give your hair a super boost.

Let’s get started!

1. Nutritional Value of Onion Juice

Onions are a rich source of various vitamins, minerals, and other beneficial compounds. When juiced, onions retain much of their nutritional content, although some nutrients can be lost due to the juicing process. Here’s a general overview of the nutritional value present in onion juice:

  • Vitamin C: Essential for immune system function, skin health, and wound healing.
  • Vitamin B6 (Pyridoxine): Plays a role in mood regulation, brain health, and the creation of neurotransmitters.
  • Folate: Supports cell division and is especially important during periods of rapid growth.
  • Potassium: Helps regulate fluid balance, muscle contractions, and nerve signals.
  • Manganese: Involved in the formation of bone and in metabolism.
  • Calcium: Vital for bone health and various cellular functions.
  • Magnesium: Important for many processes in the body, including regulating muscle and nerve function, blood sugar levels, and making protein, bone, and DNA.
  • Quercetin: A flavonoid antioxidant that might help lower blood pressure and has anti-inflammatory effects.
  • Sulfur Compounds: Beneficial for heart health, potentially reducing certain risk factors like high triglycerides and cholesterol.
  • Antimicrobial Agents: Onion has been shown to have antibacterial properties that might help combat certain bacterial strains.

2. 8 Benefits of Onion Juice for Hair

Onion juice is a cost-effective and natural way to care for your hair. Its rich nutrient profile, particularly sulfur, can lead to stronger, shinier, and healthier locks. 

2.1. Promotes Hair Growth 

One of the most talked-about benefits of onion juice for hair is its ability to promote hair growth. Onion juice is rich in sulfur, which is essential for the production of keratin – a protein that makes up our hair. When applied to the scalp, it boosts circulation and nourishes hair follicles. This can lead to stronger, thicker, and faster-growing hair.

2.2. Reduces Hair Fall 

reduces hair fall - onion juice for hair

Hair loss is a concern for many, and onion juice is the solution you’ve been searching for. Its sulfur content not only promotes hair growth but also strengthens hair strands, reducing breakage. Moreover, onion juice for hair provides essential nutrients to the hair follicles, ensuring they remain strong and healthy.

2.3. Fights Dandruff 

onion juice for hair - fight dandruff

Onion juice’s antibacterial properties can do wonders for those suffering from dandruff. Dandruff is often caused by a fungus called Malassezia. Regular application of onion juice for hair can help combat this fungus, ensuring a clean, dandruff-free scalp.

2.4. Adds Shine and Luster 

Dull hair can be a bummer, but a dash of onion juice might just be what you need to bring back the shine. It provides a natural gloss to your hair, making it look healthy and vibrant. With regular use, you might notice your hair looking glossier, as onion juice for hair can help in smoothing out the hair cuticles, leading to shinier locks.

2.5. Nourishes Hair 

Onions are a treasure trove of nutrients. They are rich in antioxidants, vitamins C and B6, and minerals such as folate. These nutrients provide nourishment to the hair, making them healthy from the inside out.

2.6. Treats Scalp Infections 

If you’re grappling with an itchy or infected scalp, onion juice for hair can come to your rescue. Its antibacterial and antifungal properties can help in treating various scalp infections, providing relief from itching and discomfort.

2.7. Natural Conditioner 

Onion juice can serve as a natural conditioner, ensuring your hair remains soft, tangle-free, and manageable. Its moisturizing properties can prevent dryness, making hair smoother. By helping balance the scalp’s pH and boosting the hair’s natural oils, onion juice can make hair softer and more manageable.

2.8. Delays Premature Greying

There’s some evidence to suggest that onion juice for hair can help in preventing premature greying. Although genetics largely determine when our hair starts to grey, external factors like pollution can speed up the process. Onion juice’s antioxidant properties might help in fighting off the damage caused by these external factors.

3. How to Make Onion Juice for Hair?

Making onion juice for hair is quite simple. Here’s a step-by-step guide to help you extract the most from your onions:


  • 1-2 onions (depending on the length and thickness of your hair)
  • Optional: Essential oils (like lavender or rosemary) to mask the onion smell


  • Start by peeling the onions and washing them to remove any dirt or debris.
  • Cut the onions into smaller pieces. This will make the blending process more efficient.
  • Put the chopped onions in a blender and blend until you get a smooth paste. If the mixture is too thick, you can add a little water to facilitate the blending.
  • Place a sieve or cheesecloth over a bowl. Pour the blended onion paste into the sieve or cheesecloth. Using the back of a spoon or your hands (you might want to wear gloves to avoid the smell), press down on the paste to extract the juice. You can also wring the cheesecloth to get as much juice as possible.

Optional – Add Essential Oils: If you’re concerned about the strong smell of the onion, you can mix in a few drops of essential oil. 

This will give the onion juice a pleasant aroma and make the application more enjoyable.

4. How to Use Onion Juice for Hair? 

Now that we know the benefits, let’s understand how to harness the goodness of onion juice for hair:

  • Take the onion juice in a bowl
  • Using a cotton ball or your fingertips, apply the onion juice to your scalp, covering all areas. 
  • Let it sit for 20-30 minutes.
  • Wash your hair using a mild shampoo to get rid of the strong onion smell.
  • For best results, apply onion juice to your scalp once or twice a week.

A Word of Caution While onion juice offers numerous benefits, conducting a patch test before full application is essential.

This will ensure you’re not allergic to it. Also, if the smell is too strong for your liking, you can mix onion juice with a few drops of essential oils like lavender or rosemary.

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5. Conclusion 

In the world of hair care, where chemicals often rule the roost, it’s refreshing to find a natural remedy like onion juice. This easily accessible and affordable ingredient offers a plethora of benefits, from promoting hair growth to fighting dandruff. So, the next time you find an onion in your kitchen, think beyond the pan and give your hair a nourishing treat.


  • Can we apply onion directly on the hair?

Yes, you can apply onion juice directly to your scalp and hair.

  • Can I use onion juice on my hair every day? 

It’s best to use onion juice 2-3 times a week rather than daily to avoid potential irritation.

  • Does onion increase hair growth? 

Yes, onion juice can promote hair growth due to its sulfur content.

  • How to use onions for hair growth?

For hair growth, massage onion juice onto your scalp, leave for 30 minutes, then rinse and shampoo.