Last Updated: September 1, 2026
Onion Juice on Hair – While the onion is generally known for its pungent smell, perhaps it’s time it was known for something more: its help in hair care.
And researchers have found that onions’ anti-inflammatory and antimicrobial properties. And Onion Juice on Hair can help you grow your hair or improve your healthy appearance.
Sceptical? Do you want to know more? Then, recite on to learn extra about the capillary properties of onions.
This Article Belongs to Hair Oils & Treatments.
Table of Contents
To Promote Hair Growth

A 2018 study published in the Drug Delivery and Therapeutics period examined onion’s ability to improve hair growth.
The study researchers created an onion shampoo by:
- collect 100 grams (about 3.5 ounces) of fresh onion bulbs
- cut them into small pieces
- use a food processor to cut the onion into even lesser pieces
- strain the onion extract by pouring the chopped onion over the cheesecloth
They then added the onion extract (usually 1 to 3 millilitres) to a natural shampoo made from coconut, castor, eucalyptus oils, and cleansers.
And they found that when applied to the skin for 5 minutes (much longer than regular shampoo), the mixture did not irritate the skin. They also found that onion shampoo:
It provides more nutrients and better nutrition to the hair follicles.
moisturized dry hair and scalp
promotes hair growth
However, more research is needed to determine how effective onion juice is for hair growth in the general population. If you are experiencing significant or persistent hair loss, the American Academy of Dermatology Association provides information about possible causes and evidence-based treatment options.
You can use this same procedure to add onion extract to your shampoo.
Even if you’re not ready to start creating shampoos, you can use the same process researchers used to create an onion extract to add to your shampoo at home.
Don’t worry, and your hair won’t smell like onions.
And if you’re wondering if your hair will smell like onions forever, there’s good news.
The researchers used perfumes and a small amount of lemon juice to mask the smell. When they used the shampoo, they did not notice a “characteristic smell” of onions.
To reverse Hair Ageing
There is no peer-reviewed evidence on the concept of onion Juice on Hair to reverse the greying process of hair. However, many home remedies promise that onion extract can help reduce grey hair.
The idea overdue these home remedies is that onion Juice on Hair contain an antioxidant compound called catalase that helps reduce hydrogen bleach in the hair roots. As a result, its believes that it prevents
If you are ready to give this home remedy a try, here is a mixture that you can smear three to four times a week:
- Mix 3 tbsp. Onion juice with 2 tbsp. Lemon juice.
- And apply the mixture to the hair and scalp as evenly as possible.
- Also, leave on hair and scalp for 30 minutes.
- And rinse and use a mild shampoo to reduce onion odours.
Alternatively, you can soak a cotton ball in onion juice and apply the liquid to your scalp, massaging as you use—solution with a mild shampoo after 15 minutes.
To Soothe Dry and Itchy Scalp
The anti-inflammatory properties of onions can help soothe an itchy scalp. In addition, you can combine onion extract with other natural ingredients to soothe your scalp.
If you regularly use oils as part of your scalp-care routine, you can also learn about the benefits of hair oiling and how different oils can be incorporated into a hair-care routine.
Some combinations to try include:
- 2 tbsp. onion juice and 1/2 tsp. raw honey
- 1 cup olive oil and 3 tbsp. onion juice
- 3 tbsp. onion juice, 5 tbsp. coconut oil, and 1 tbsp. lemon juice
You can apply a small amount of these combinations to your scalp and then wash it off with a mild shampoo. Always perform a patch test before applying a new mixture to your scalp.
If you regularly use heat or chemical treatments, including permanent hair straightening, taking steps to minimize damage is also important. Hair that has been chemically processed may require additional conditioning and gentle handling.
For another natural oil that can be incorporated into a hair-care routine, see our guide to sesame oil for your hair.

