Onion juice has antibacterial and antifungal properties, so its use on hair can help counteract the fall caused by fungi or bacteria and promote regrowth. Hair can benefit from the use of onion juice in several ways. Let’s see how.
According to a study published in “The Journal of Dermatology”, to have benefits in terms of hair regrowth, it is necessary to use pure onion juice, without the addition of other ingredients. In the study, participants had to apply onion juice on the scalp twice a day for two months. At the sixth week, hair regrowth was observed in almost 90% of participants, particularly in males compared to females.
Benefits of hair growth with onion juice
- Onion juice increases blood circulation to the scalp, thus promoting the supply of nutrients to the hair follicle.
- Thanks to its bactericidal and fungicidal properties, onion juice helps to combat dandruff effectively.
- The antibacterial properties of the onion help fight scalp infections. This helps reduce hair loss due to infections.
- Onion juice is rich in vitamins, minerals, and antioxidants useful for nourishing the scalp and hair, promoting health.
- Onion juice makes the hair uninhabitable for lice.
- Onion juice can add extra shine to hair.
- Onion juice helps to give volume to the hair.
How to prepare onion juice
Preparing onion juice is very simple. It is advisable to make a small amount at a time so as to use all the juice, so its compounds do not lose their effectiveness, and you always have a fresh product rich in beneficial properties.
1. Peel one or two medium-sized onions and cut them into 4 parts.
2. In a bowl, extract the juice of the onions using an onion-squeezer. Alternatively, use a chopper.
3. If necessary, add a little water to ensure that the juice is sufficiently diluted and easy to apply to the head.
4. Strain the juice with a fine mesh strainer. This is necessary to ensure that no small pieces of onion get caught in the hair.
How to use onion juice on the hair
With your fingertips, gently massage a little juice on the scalp. Massage with circular movements so as to allow the juice to penetrate deeply. Leave to rest for about an hour. Finally, rinse with a mild shampoo that has a good fragrance to eliminate the pungent smell of onions.
Repeat this process every time you wash your hair for more benefits. In any case, it is advisable to carry out this treatment at least once a week for 2 months to start noticing improvements.
DIY masks based on onion juice for stronger and healthier hair
make A cotton ball with onion juice and dab it on the scalp, then massage the scalp to a couple of minutes. Leave for at least 15 minutes. Then wash your hair with a mild shampoo
Moisturizing hair mask with honey and onion juice
In a bowl, mix a quarter cup of onion juice and a tablespoon of honey. Apply the mixture on the scalp and hair. Wash off after 30 minutes with a mild shampoo.
Nourishing hair mask with olive oil and onion juice
Olive oil is an excellent oil to massage the hair as it penetrates the scalp and deeply nourishes it. Olive oil also has moisturizing, antibacterial and anti-dandruff properties. In a bowl, mix 3 tablespoons of onion juice and one and a half tablespoons of olive oil. Massage this solution on the scalp with circular movements. Wash off the treatment after a couple of hours using a mild shampoo.
Strengthening hair mask with curry leaves and onion juice
Curry leaves bring many benefits to hair; in particular, they help strengthen hair and prevent it from graying. Chop the fresh curry leaves and then crush them in a mortar until they are reduced to very small pieces. Then, in a container, mix the chopped leaves well with 2 tablespoons of onion juice. Apply this treatment on the scalp. Remove the mask after an hour using a mild shampoo.
Hair mask with yogurt and onion juice
Yogurt helps to hydrate and nourish weakened hair. Along with onion juice, yogurt is a good help to promote the hair growth process. In a bowl, mix 2 tablespoons of yogurt and 2 tablespoons of fresh onion juice. Apply this hair mask on the scalp. Wash off after an hour with a mild shampoo.
Onion juice and coconut oil
2 tablespoons of onion juice, 2 tablespoons of coconut oil, 5 drops of tea tree oil. Mix all ingredients until a homogeneous mixture are obtained. Apply it on the scalp and massage for a couple of minutes. Once covered the entire scalp, let the mixture act for about 30 minutes. Then wash your hair with a mild shampoo.
Note. Coconut oil has extraordinary antibacterial properties. It is also an extremely penetrating oil that will help to increase the nutritional capacity of onion juice.
Egg and onion juice
Mix the 1 tablespoon of onion juice with 1 egg and 2-3 drops of lavender essential oil until a homogeneous mixture is obtained. Apply the mixture on the scalp and along the entire length of the hair. Then wear a shower cap and let it work for about 20-30 minutes. Wash your hair with cold water (prevents the egg from “cooking”) and a mild shampoo without sulfates.
Note. The high protein content of the eggs helps nourish the hair and keep it healthy while the onion juice stimulates the scalp and promotes hair growth. The essential oil instead helps to improve its perfume.
Ginger juice and onion
Combine 1 tablespoon ginger juice with 1 tablespoon onion juice and apply the mixture on the scalp with circular movements. Leave for about half an hour and then wash your hair with a mild shampoo.
Note. Ginger is known for its anti-inflammatory properties and is therefore widely used in homeopathy and Chinese medicine. It also helps improve blood circulation while minimizing hair loss.
Lemon and onion juice
Combine 1 tablespoon of lemon juice with 1 tablespoon of onion juice and apply the mixture on the scalp, massaging it with circular movements. Leave for about half an hour and then wash the hair with a mild shampoo
Note. The lemon contains vitamin C (which helps the production of collagen) and strengthens the hair follicles, avoiding the onset of dandruff and other scalp infections.
Tips for using onion juice on hair
- Always strain homemade onion juice to prevent small pieces of vegetable from getting stuck in your hair. Trying to remove any onion residue from your hair may be more complicated than expected.
- Always use a mild shampoo to wash away the onion juice from the hair.
- If desired, add garlic juice and/or apple cider vinegar to get more hair health benefits.
- If you can’t stand the pungent smell of onion, add 2-3 drops of your favorite essential oil to the onion juice.
- To prevent skin reactions, it is advisable to always perform a patch test before using onion juice on the scalp. Then, apply a small amount of onion juice on the forearm and wait 24 hours. If allergic reactions do not occur, then you can proceed with the application of the juice on the scalp.
Some FAQs on the use of onion juice for hair
Can onion juice be left on the hair at night?
If left on the skin too long, onion juice may cause scalp irritation. Therefore, if you want to keep the onion juice for periods longer than an hour or two, it is advisable to dilute it with castor oil.
How often should you use onion juice to promote hair growth?
You can start with a couple of times a week, and then gradually reduce the application as you notice the first improvements, which should begin to be seen within a couple of months. If no improvement occurs within 2-3 months, it could be an irreversible hair loss, so it is advisable to consult a dermatologist.
Can the onion juice be stored in the refrigerator?
We recommend using fresh onion juice with each application. If you want to keep the juice in the fridge, try to finish it within three days.
Does the onion juice applied to the hair have side effects?
No, but it’s best to do a simple patch test before you start using onion juice DIY treatments to make sure that this ingredient doesn’t irritate your skin.
How to remove onion smell from the hair?
To eliminate the pungent smell of onion, you can wash your hair with a citrus-based shampoo, preferably lemon. You can also rinse your hair with an infusion (made warm) based on rosemary and mint leaves. You can also add some freshly squeezed fresh lemon juice into the onion juice before applying it to the scalp.