7 Benefits of Onion Juice for Hair

One and half onion kept | benefit of Onion Juice for hair

Hair issues can affect anyone, including men. Maintaining healthy hair requires a lot of effort and persistence.

Good news! You can easily treat your hair problems at home with an onion. Despite its sometimes strong and pungent smell, the benefits of onions for your hair are worth it. In this post, you'll discover everything you need to know about using onions to achieve long, lustrous, and shiny locks. So, gentlemen, don't let hair troubles get you down. Try using onions and enjoy healthy, vibrant hair.

For all the men out there struggling with hair issues, we've got an all-natural solution for you - onions! Yes, you read it right. Onions can do wonders for your hair and scalp health.

Here are 7 reasons why you should try using onions for your hair care routine:

Encourages Hair Growth

Research suggests that onions can promote hair growth by providing hair follicles with essential nutrients and hydration, helping to prevent hair loss and breakage. The sulfur found in onion juice may also play a role in encouraging new hair growth.

Reduces Grey Hair

Onion extract contains catalase, an anti-oxidant that has been shown to reduce the levels of hydrogen peroxide in hair follicles, potentially slowing down the greying process. While results may vary, some men may find that incorporating onion extract into their hair care routine can help reduce the appearance of grey hair.

Fights Dandruff

Dandruff can be a common issue for many men, but the antimicrobial and antifungal properties of onion juice may help to alleviate it. These properties can help to fight off the fungus and bacteria that cause dandruff, leaving your scalp feeling healthy and refreshed.

Prevents Hair Loss

Sulfur is a key nutrient found in onion juice that can help to prevent hair loss. Sulfur helps to produce collagen, which is essential for healthy hair growth. By incorporating onion juice into your hair care routine, you may be able to prevent hair loss and promote the growth of new, healthy hair.

Treats Alopecia

Alopecia areata is a condition that can cause patchy hair loss in men. However, research has shown that onion juice may be an effective treatment option for this condition. By applying onion juice to the scalp, some men may experience an improvement in their hair growth and a reduction in the symptoms of alopecia.

Soothes Itchy Scalp

An itchy scalp can be uncomfortable and frustrating, but the anti-inflammatory properties of onions may be able to help. These properties can help to soothe inflammation and improve blood flow to the scalp, which can help to alleviate an itchy scalp.

Nourishes and Moisturizes Hair

The micronutrients found in onion juice can help to strengthen and repair damaged hair, while the anti-inflammatory and anti-oxidant properties can improve blood flow to the hair roots. By incorporating onion juice into your hair care routine, you can help to nourish and moisturize your hair, leaving it looking and feeling healthy and revitalized.

How to apply onion juice to hair?

To apply onion juice to your hair, follow these steps:

  1. Peel and chop an onion into small pieces.
  2. Put the onion pieces into a blender or juicer and blend until you get a smooth paste.
  3. Strain the juice using a cheesecloth or a fine mesh strainer.
  4. Apply the onion juice to your scalp using a cotton ball or a clean brush, starting at the roots and working your way down to the tips.
  5. Massage the scalp gently for a few minutes to ensure that the onion juice is evenly distributed.
  6. Leave the juice on your hair for about 30 minutes to an hour.
  7. Rinse your hair thoroughly with cool water and mild shampoo to remove any smell or residue.
  8. Repeat this process once or twice a week for the best results.

Note: Before applying onion juice, it's recommended to do a patch test to check for any allergic reactions or irritation. Also, you may want to dilute the onion juice with water or mix it with other ingredients like honey or coconut oil to reduce its strong smell and enhance its benefits.

Is onion juice good for hair?

Yes, onion juice is considered good for hair due to its various benefits for scalp health and hair growth. It contains sulfur, which can help prevent hair loss and breakage, and promote the development of new hair follicles. Additionally, onion juice has antimicrobial and antifungal properties that can help eliminate dandruff and other scalp conditions. It also has anti-oxidant and anti-inflammatory properties that can improve blood flow to the hair roots and promote overall hair health. However, it's important to do a patch test before using onion juice on your hair and scalp, as some people may be allergic to it.

How long does it take for onion juice to regrow hair?

The time it takes for onion juice to regrow hair can vary from person to person, and there is no set timeline for hair regrowth. It may take several weeks or even months of consistent use before seeing any visible results.

Onion juice's effectiveness for hair regrowth hasn't been thoroughly researched, but a small study published in the Journal of Dermatology suggested that applying onion juice to the scalp may help with hair regrowth in certain individuals. The study involved 38 participants with alopecia areata, a non-scarring, patchy hair loss condition. 

The researchers found that hair growth began after two weeks of applying onion juice to the scalp twice daily. After four weeks, almost 74% of the participants had some hair regrowth, and at six weeks, about 87% experienced hair regrowth. Both men and women participated in the study, and hair regrowth was more significant among men. Nevertheless, the study's small size limits the generalization of the findings.

Onion juice vs ginger for hair growth

Onion juice and ginger are both natural remedies that are believed to promote hair growth.

Onion juice contains sulfur, which helps to increase collagen production, a protein that is essential for hair growth. It also has antimicrobial properties that can help to prevent scalp infections, dandruff, and hair breakage.

Ginger, on the other hand, contains anti-oxidants that improve blood circulation to the scalp, providing the necessary nutrients and oxygen for healthy hair growth. It also has anti-inflammatory properties that can soothe an irritated scalp and reduce hair loss.

Both onion juice and ginger can be applied topically to the scalp as a hair mask or mixed with carrier oils such as coconut oil or olive oil. However, it is important to note that there is limited scientific evidence to support the effectiveness of these remedies for hair growth. It is always recommended to consult with a healthcare professional before trying any new treatment for hair loss or other medical conditions.

Take Away

Onion juice can be beneficial for hair growth and overall scalp health due to its high sulfur and anti-oxidant content. Despite some promising findings, further research is necessary to gain a comprehensive understanding of the efficacy of onion juice for hair growth, as well as any potential adverse effects it may have.


Can we apply onion juice directly on the scalp?

Yes, onion juice can be applied directly to the scalp, but it is recommended to mix it with carrier oil or other ingredients to avoid skin irritation.

Does onion help in hair growth?

Yes, onion juice is believed to help in hair growth by providing nutrition, and nourishment, and preventing hair loss.

Can we apply onion juice to the hair?

Yes, onion juice can be applied to the hair, but it is recommended to mix it with carrier oil or other ingredients to avoid drying out the hair.


  1. Khalifa E. Sharquie, Hala K. Al-Obaidi, July 2014, Onion Juice (Allium cepa L.), A New Topical Treatment for Alopecia Areata
  2. Patel Naziya Rafik, Mohite Swapnali Arun, Shaha Rutuja Rajendra, FORMULATION AND EVALUATION OF ONION HAIR NOURISHING SHAMPOO

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