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Onion Juice For Skin, Hair and Health: The Complete Guide

Updated: May 16

Have you ever stopped to consider the role onions plays in our lives? I’m sure you think about it while cooking. But what about the use of onions in skincare and haircare?

For far too long, we have sidelined onion and failed to recognise the immense value it adds to skincare and haircare.

But, don’t worry, in this detailed guide on onion juice for skin, hair and health, we’ll learn everything about what onion juice can do for us. But before that,

Let me introduce myself!

Hello, I'm Prerna your go-to trusted source for natural skincare and haircare remedies. Preity Prerna’s YouTube channel is loved and supported by a family of 5 million. Well, you don't have to trust my words; visit the comment section of this blog or YouTube and see yourself (after you've finished reading this article, of course)! 😊

Table of Contents:


Onions are known worldwide for adding texture and flavor to food. However, due to a lack of knowledge and primarily because of their strong smell, onions are often overlooked.

Onions belong to the Allium plant family, which also includes garlic, chives, shallots, and leeks. They come in various colors such as red, white, green, and yellow.

The abundance of sulfur in onions is responsible for their impressive skincare and haircare capabilities.

In this article, we'll learn in detail why and how onion juice can reduce hair loss, and promote hair growth, maintain strong and thick hair.

We'll also explore why and how onions stimulate collagen formation, a vital protein crucial for healthy skin and hair follicles.

So, let's dive into the amazing powers of this amazing vegetable and discover how it can give you glowing skin, gorgeous hair, and a healthier body overall.

Properties of Onion Juice

Onion juice is packed with Sulfur, Vitamins, Minerals, Antioxidants and Anti-Inflamatary properties.


  • Sulfur, abundantly present in onion juice, serves as an important ingredient for maintaining optimal skin and hair health.

  • Sulfur's purifying properties help to unclog pores and regulate sebum production, making it an irreplaceable component in combating acne and promoting clear, radiant skin.

Vitamins and Minerals:

  • Onion juice also contains vitamins and minerals that nourish and rejuvenate the skin, imparting a youthful glow and vitality.

  • Vitamins such as A, C, and E, along with essential minerals like potassium, calcium, and magnesium, work synergistically to replenish and fortify skin cells, promoting elasticity, hydration, and overall skin health.

  • These nutrients also contribute to the strength and resilience of hair follicles, fostering robust hair growth and preventing hair loss.

Antioxidant Properties:

  • Onion juice contains potent antioxidant properties, which play a pivotal role in safeguarding cells from oxidative damage caused by free radicals.

  • Free radicals are unstable molecules that can wreak havoc on cellular structures, leading to premature aging, inflammation, and various chronic diseases.

  • By neutralizing free radicals, the antioxidants in onion juice help to preserve cellular integrity, promoting longevity and vitality from within.

Anti-Inflammatory Effects:

  • In addition to its antioxidant properties, onion juice provides remarkable anti-inflammatory effects, offering relief from multiple ailments and promoting accelerated healing.

  • Inflammation is a natural immune response that can spiral out of control when left unchecked, contributing to chronic conditions such as arthritis, cardiovascular disease, and even skin disorders like eczema and psoriasis.

  • By mitigating inflammation, onion juice aids in alleviating discomfort and facilitating the body's natural healing processes, promoting overall well-being and vitality.

  • Incorporating onion juice into your daily skincare and food, unlocks a treasure of nutritional benefits, nurturing both your skin and body from the inside out.

Onion Juice for Skin

Onion juice can help in treating acne, preventing signs of ageing, and achieving glowing skin.

Acne Treatment:

  • Sulfur in onion juice helps fight against acne-causing bacteria. It also helps in fighting with the proliferation of bacteria responsible for acne breakouts.

  • By targeting the root cause of acne, onion juice offers a natural and gentle solution for achieving clearer and healthier skin.

  • Onion juice is also rich in Vitamin C, which acts as a powerful antioxidant, working to brighten and rejuvenate the skin by reducing the appearance of acne scars and promoting a more even skin tone.

  • Its anti-inflammatory properties help to soothe redness and irritation associated with acne, promoting a calmer and clearer complexion.

(There are currently no studies that examine how particularly the vitamin C in onions may help to combat acne. )

Prevents Signs of Aging :

  • Onion juice is a natural source of nutrients that stimulate collagen production, essential for maintaining skin elasticity and firmness.

  • Regular application of onion juice can result in visibly smoother and more supple skin, combating the signs of ageing effectively.

  • Onion juice also contains antioxidant vitamins that play a crucial role in fighting free radical damage, a major contributor to premature ageing.

  • The antioxidant vitamins A, C, and E are abundant in onions and help fight the effects of UV rays that promote premature ageing.

Brightens the Skin:

  • By targeting pigmentation at its source and promoting cellular turnover, onion juice offers a natural and effective solution for achieving a more radiant and uniform complexion.

  • With regular use, onion juice can help to achieve a more luminous and evenly toned complexion.

Skin cells receive a huge beauty boost from the antioxidants and vitamins in the vegetable, resulting in soft, bright, and supple skin.

In fact, eating raw onion by itself can cleanse the blood by getting rid of pollutants, giving you healthy, radiant skin.

Onion Juice for Hair

You may already be familiar with hair care products infused with onion juice. Onion juice has been shown to stimulate hair growth, combat dandruff, and prevent premature greying.

Stimulating Hair Growth:

  • Sulfur found in onion juice, plays a pivotal role in strengthening hair follicles and stimulating growth.

  • This essential mineral is integral to the production of keratin, the protein that forms the structural foundation of hair strands.

  • By nourishing the hair follicles from within, sulfur helps to improve hair texture, reduce breakage, and promote healthy, robust growth.

  • In addition to sulfur, onion juice helps in improving blood circulation to the scalp, facilitating the efficient delivery of essential nutrients and oxygen to the hair follicles.

  • Enhanced blood flow nourishes the follicles, promoting their health and vitality, and creating an optimal environment for hair growth.

  • With regular use of onion juice, you can support the natural growth cycle of your hair, leading to thicker, stronger strands.

Combatting Dandruff:

  • These properties combat the fungi responsible for dandruff, preventing their overgrowth and maintaining a balanced scalp environment.

  • By eliminating dandruff-causing fungi, onion juice promotes scalp health and reduces the occurrence of flakiness and itching, leaving your scalp feeling refreshed and revitalized.

  • Regular application of onion juice serves as a natural and effective remedy for dandruff. Its antimicrobial properties help to cleanse the scalp and remove impurities, while its soothing properties alleviate irritation and inflammation.

  • Adding onion juice into your hair care routine can help you control dandruff effectively, promoting a healthier scalp.

Preventing Premature Greying of Hair:

  • Onion juice contains catalase, an enzyme that plays a crucial role in counteracting oxidative stress on hair follicles.

  • Oxidative stress is a key factor contributing to premature greying of hair, as it leads to the accumulation of hydrogen peroxide, which disrupts the natural production of melanin, the pigment responsible for hair color.

  • By neutralizing hydrogen peroxide, catalase helps to preserve the hair's natural color and prevent premature greying.

  • Regular application of onion juice serves as a preventive measure against premature greying of hair.

  • Its catalase content helps to maintain the balance of hydrogen peroxide in the hair follicles, preserving the integrity of melanin production and delaying the onset of greying.

Onion Juice for Health

Onion juice not only helps in good hair and skin but also helps improving immune system, heart health, and bone strength. It's anti-bacterial properties protects us from various various infections and illnesses.

Boosting Immune System:

  • Vitamin C is found in Onion Juice which is a powerful antioxidant that plays a crucial role in supporting the immune system.

  • It is essential for the production and function of white blood cells, which are the body’s first line of defence against infections and pathogens.

  • Onion juice is also rich in Potassium, Calcium, Magnesium, Iron and Zinc.

  • By adding onion juice into your diet, you can provide a rich source of these essential minerals, helping to support overall health and vitality.

Heart Health:

  • Chronic inflammation is a key contributor to the development of heart disease, as it can damage the arteries and lead to the formation of plaque.

  • Onion juice has potent anti-inflammatory properties, which can help to protect cardiovascular health and reduce the risk of heart disease.

  • Onions include anti-inflammatory, triglyceride-lowering, cholesterol-lowering antioxidants, and substances that may lower the risk of heart disease.

  • Their anti-inflammatory effects could also lower blood pressure and prevent blood clots.

  • Onions are a rich source of quercetin, a flavonoid antioxidant. Considering that it is a potent anti-inflammatory, it might assist in lowering heart disease risk factors like high blood pressure.

Bone Strength and Density:

  • Bone health is crucial for overall well-being, as strong and dense bones are essential for maintaining mobility and preventing fractures and osteoporosis.

  • Onion juice contains several minerals that are important for bone health, including calcium, magnesium, and phosphorus, which help to support bone strength and density.

  • It is considered that onions aid in lowering oxidative stress, increasing antioxidant levels, and reducing bone loss, which may help prevent osteoporosis and increase bone strength.

Anti-Bacterial Properties:

  • Onions possess impressive antimicrobial properties that make them potent allies against a variety of harmful bacteria, including Bacillus cereus, Pseudomonas aeruginosa, Escherichia coli, and Staphylococcus aureus, among others.

  • These bacteria are the main culprits behind various infections and illnesses, ranging from food-borne illnesses to skin infections.

I've shared multiple videos on onion-infused hair oils, masks, shampoos and skincare stuff. You can watch them on my YouTube Channel or from here.


And we came to an end. If you liked this guide and want to learn more about natural ingredients, here's what you need.

Also, if you’re not a part of our amazing family, you’re missing out. Join us today and start your natural skincare and haircare journey and get help from other community members. 😊

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