You may hate the pungent smell of onions, but its amazing benefits outweigh every con. Onions are from the Allium genus family of flowering plants. Onion contains minerals and vitamins and possesses medical properties. It includes a compound with antibacterial and anti-inflammatory properties and helps treat diabetes. According to Korean research, onion juice is effective in lowering blood glucose (1).
It also reduces the risk of cancer. It contains compounds like anthocyanins, quercetin, and organosulfur. According to research, all these compounds may help in the treatment of cancer (2).
Also Read – How To Use Onion For Skin Care?
Onion is rich in fiber, which reduces the risk of colon cancer. Red onion juice was found to be more effective in animal studies (3). Onions are also rich in selenium which improves immunity levels. It stimulates immune response and quashes overactive immune response (4). Cells that lack selenium are more prone to oxidation. It is also difficult for them to make protein and carry calcium (5).
Onion juice helps treat eye infections due to its antibacterial properties. A study on rabbits found that the juice could slow down the spread of infection (6). Few studies suggest that the folate in onion can control mood swings and deal with depression (7). It also encourages the production of hormones like epinephrine and dopamine, which normalize sleep (8).
According to research, onion juice was found effective for treating earache and ear infections (9). Onion juice also improves the level of testosterone in the body, thus enhancing sperm health. In a study, testosterone levels of male rats improved after taking onion juice (10).
Apart from providing a cure to many diseases, onion is that secret ingredient to make your hair shiny and smooth.
Onion For Hair Care
Onion juice is one of the ancient remedies for good hair health, especially hair loss. Are you thinking of using onion juice for your hair care? Then read further to know how to use onion for your hair care routine. But before that, we’ll tell you how to turn onion into juice to get the benefit.
How To Make Onion Juice?
- Peel and chop about 4-5 onions, preferably red onions.
- Put them in a blender and blend them into a paste.
- Strain through a sieve to get the juice.
Many people prefer to use onion paste instead of juice. Few drops of essential oils can be added to onion juice to reduce the strong smell. The onion juice can be added to your regular shampoo to dilute the smell. If you want to use the onion juice directly, massage the juice in your scalp and leave for 2-3 hours. Then shampoo as usual.
Use Of Onion Juice
Now that we have learned how to make onion juice, we’ll move to include onion juice in our hair care routine for different hair problems.
1. Onion Juice for Hair Growth
Applying onion juice to your scalp is a great way to boost hair growth. The sulfur present in the onion helps stimulate collagen production. Collagen is responsible for the production of healthy skin cells and hair health.
It also improves blood circulation. When applied to the scalp, it boosts the blood supply to hair follicles, thus improving hair growth.
You can make your shampoo by adding onion juice to the shampoo you use. If you are worried about the smell, add a few lemon juice drops to cover the smell.
2. Onion-Oil Mask For Dry And Itchy Scalp
The anti-inflammatory properties of onion help soothe an irritated scalp. You can use the following recipe to treat dry scalp:
Heat coconut oil and castor oil in the microwave. Add onion juice to it. Massage your scalp and hair with this concoction and leave for one hour. Next, wash your hair with shampoo. You can do this thrice a week to soothe your scalp.
3. Onion & Honey Mask For Bald Patches/Alopecia
Scientific research published reveals that onion juice can help cure alopecia areata. Alopecia is an autoimmune disease that causes the loss of patchy hair. The participants used onion juice for six weeks and found new hair growth in the bald places. In addition, the treatment was more successful in males than in females (11).
You can use the following onion juice hair masks for treating hair loss and alopecia.
4. Onion Juice & Honey Mask
- Onion juice half cup
- Honey 1 tbsp
Mix both the ingredients in a clean bowl.
How to use:
Massage the mixture in your scalp and leave for 15-30 minutes. Then rinse it and wash with a natural shampoo. You can use this once or twice a week.
5. Onion juice & Fenugreek Mask For Dandruff
Dandruff can be embarrassing and irritating. One of the common causes of dandruff is a fungus, M. furfur. Enriched with anti-fungal properties, onion juice can be a dandruff buster.
You can combine onion juice with other beneficial ingredients for hair to make a mask.
- Onion juice 4 tablespoon
- Fenugreek seeds 2 tablespoon
- Water 1 cup
Soak fenugreek seeds in water overnight. Grind them to a paste and mix with onion juice.
How to use:
Apply the paste on the scalp and leave for half an hour. Wash hair as usual. You can do this twice a week.
6. Onion Henna Mask For Grey Hair
There is no substantial study to suggest that onion juice can reverse greying. However, many home remedies claim onion juice can reduce grey hair. This is probably because onions contain catalase, which lessens hydrogen peroxide at the roots. This prevents hair from turning grey. If you are interested in trying, then you can whip the following mask:
- Henna 1cup
- Onion juice half cup
- Olive oil 2tbsp
Make a paste of onion juice, olive oil, and henna till it forms a paste-like consistency.
How to use:
Apply the paste to your scalp and hair and leave for two hours. Wash as usual. You can use this once a month.
7. Onion Juice for Dry & Brittle Hair
Onions are rich in flavonoids, biotin, Vitamin C, manganese, and other minerals, vital for healthy hair. Onion juice not only moisturizes but reinvigorates dry and damaged hair. The compounds are not only anti-inflammatory but also boost blood circulation to hair. You can try the following onion mask for healthy hair:
- Onion juice 4 tablespoons
- Egg 1
Separate egg yolk and white. Whisk egg white well with onion juice.
How to use:
Apply this mixture to your scalp and along the length of your hair. Keep it for half an hour. Then, wash with cool water and mild shampoo. You can repeat this once a week.
Ensure that you wash the mask with cool water, as washing with warm water can make the egg’s smell linger. You can add essential oil to mellow down the smell of eggs and onion. Do not skip this mask as eggs are rich in protein and can nourish and condition your hair.
Side Effects of Using Onion
If you are allergic to onion juice, it can irritate your skin. People with sensitive skin should avoid it as it may sting their skin. Do a patch test before applying onion juice to the scalp.
For the patch test, apply a few onion juice drops at the back of your ear and wait for a few minutes. If it irritates, then do not continue with the application.
Also, prevent onion juice from getting in your eyes as it can cause redness and irritation. If it does, then rinse with cool water.
How To Get Rid Of Onion Smell From Hair?
Many people could discontinue the use of onion masks due to the smell they leave. But we bring you a few DIYs to make your hair smell fresh and pleasant even after using onion juice.
Lemon juice Rinse
- Mix a half cup of lemon juice in one cup of water.
- After washing, apply the mixture to wet hair and leave for 10 minutes.
- Rinse with warm water.
Avoid going out in the sun after using this, as exposure to sunlight may lighten your hair.
- The fresh mint leaves not only make your hair smell good but also give shine to your hair.
- Steep a few mints leave in a cup of hot water for 5 minutes.
- When cooled, wash your hair with this water.
Onion is rich in nutrients and can reduce the risk of certain serious health diseases like cancer and diabetes. It also improves testosterone and immunity levels in the body. It helps treat eye and ear infections. Apart from providing many health benefits, it is excellent for hair care. Onion juice can be used to make different masks for treating various hair issues. Onion juice can be used to treat hair conditions like dandruff, dry and damaged hair, grey hair, alopecia, and itchy scalp. It is one of the best juices to promote hair growth. However, a patch test should be done before using it on the scalp.
Frequently Asked Questions (FAQs)
Can onion juice be stored?
Yes, it can be stored in an airtight container for 2-3 days in the fridge.
Can onion juice be left overnight?
We are afraid the answer is no. It may irritate your scalp if left for a few hours.
Does onion juice help to regrow hair?
Onion contains sulfur, which promotes hair growth. When applied to the scalp and hair, it prevents hair loss and stimulates blood circulation in hair follicles. This, in turn, promotes hair growth.
- “The antidiabetic effect of onion and garlic in experimental diabetic rats: meta-analysis” – pubmed.ncbi.nlm.nih.gov
- “Therapeutic Role of Functional Components in Alliums for Preventive Chronic Disease in Human Being” – ncbi.nlm.nih.gov
- “Immunomodulatory Effect of Red Onion (Allium cepa Linn) Scale Extract on Experimentally Induced Atypical Prostatic Hyperplasia in Wistar Rats” – ncbi.nlm.nih.gov
- “The influence of selenium on immune responses” – ncbi.nlm.nih.gov
- “The Role of Selenium in Inflammation and Immunity: From Molecular Mechanisms to Therapeutic Opportunities” – ncbi.nlm.nih.gov
- “Effects of Onion Juice on the Normal Flora of Eyelids and Conjunctiva in an Animal Model” – ncbi.nlm.nih.gov
- “The methylation, neurotransmitter, and antioxidant connections between folate and depression” – pubmed.ncbi.nlm.nih.gov
- “Folate intake and depressive symptoms in Japanese workers considering SES and job stress factors: J-HOPE study” – ncbi.nlm.nih.gov
- “An onion in your ear” – cambridge.org
- “Evaluation of androgenic activity of allium cepa on spermatogenesis in the rat” – pubmed.ncbi.nlm.nih.gov
- “Onion Juice (Allium cepa L.), A New Topical Treatment for Alopecia Areata” – pubmed.ncbi.nlm.nih.gov