Health Benefits and Uses of Alum (Phitkari)

Wellness Blog
24 Apr 2026
Bajaj General Insurance
856 Viewed

Alum is a mineral salt which may be found in both pure and impure forms. It acts as a natural astringent and skin toner. It is also useful for effective aftershave treatment, maintaining oral health, treating acne, and so on. You can also use it as a topical application, a mouth rinse, and deodorant.

Continue reading to learn about the health benefits of alum stone and how to properly use it at home.

What Are the Health Benefits and Uses of Alum (Phitkari)?

Alum is a hydrated double sulfate of aluminium and potassium. It has been a staple in Indian households for centuries due to its diverse applications. Here are the primary alum stone benefits:

Natural Astringent and Skin Toner

One of the most popular uses of alum for skin is its ability to tighten pores and reduce oiliness. The benefits of using alum on the face include reducing the appearance of fine lines and giving the skin a natural glow by removing dead skin cells. However, it is a harsh chemical salt, and you need to use it carefully instead of using it as an abrasive facial scrub.

Effective Aftershave Treatment

Men have used alum stone benefits for generations to treat shaving nicks and cuts. Its styptic properties cause blood vessels to contract, stopping minor bleeding instantly while disinfecting the area to prevent folliculitis.

Oral Health and Mouth Ulcers

Alum is very efficient for treating mouth ulcers and gum bleeding. Using a solution of alum can eliminate bacteria from the mouth and also help with inflammation. Alum-based mouthwashes can greatly reduce the salivary levels of Streptococcus mutans that cause dental caries. For instance, gargling with alum water can relieve a sore throat.

Treatment for Acne and Pimples

Applying alum can also manage your acne. Its antibacterial properties help dry out active pimples and prevent future breakouts. For example, you can mix a pinch of alum powder with rose water and apply it as a spot treatment. This can reduce swelling and redness overnight.

Natural Deodorant and Odour Control

One of the alum health benefits is that they are antiperspirants. They prevent the growth of bacteria responsible for bad odour without blocking sweat glands in a manner similar to commercial deodorants.

It is not alcohol-based and thus not artificially fragranced, and it does not harm sensitive skin, unlike deodorants that are chemically made. The common practice is applying a wet alum stone on the armpits as an alternative to commercial deodorants.

Water Purification

Alum is widely used in water treatment to settle suspended impurities. Alum is a cost-effective coagulant used in various low-resource settings to make water visually clear and safer for basic domestic use.

Although this can remove specific impurities, alum is definitely not an adequate process for rendering water suitable for consumption on its own.

Also Read: 15 Daily Health Tips for Managing Diabetes

How Does Alum Benefit Skin and Facial Care?

While we often focus on internal health, the alum skin benefits are perhaps the most widely recognised in traditional beauty regimens. Alum acts as a natural purifier that can handle various dermatological issues.

Some of the health benefits of alum on your face include its ability to provide skin tightening. The elasticity of our skin tends to decrease with age. You need to apply an alum mask to your face one time a week.

Alum blocks have also been popular as deodorants due to their antibacterial and astringent effects. Nonetheless, individuals with sensitive skin should exercise caution while using them, as they may irritate.

How Can You Use Alum Safely at Home?

Alum is easy to use, but you should always apply it correctly to avoid irritation or overuse. Its strong astringent properties mean that dilution and moderation are key.

Below are some effective and safe ways to incorporate the alum stone benefits into your routine:

Topical Application

Dissolve a small piece of alum in water, then apply it gently to the skin with a cotton pad. This diluted solution works well as a toner to reduce oiliness and tighten pores.

Avoid rubbing solid alum directly on sensitive areas, as it may cause dryness or a stinging sensation. Always rinse your face after a few minutes and follow up with a moisturiser to maintain skin balance.

If you have oily skin, you can apply alum water to your T-zone, which includes the forehead, nose, and chin, twice a week. However, people with sensitive skin are advised to carry out a patch test before application.

As a Mouth Rinse

Mix a pinch of alum powder into a glass of warm water, then use it as a gargle. This helps reduce bacteria in the mouth, soothe sore throats, and tighten gums. Make sure the solution is well diluted, as concentrated alum can irritate the oral lining.

Gargle for 20–30 seconds and spit it out completely without swallowing the mixture. Using this rinse occasionally can support oral hygiene, especially during minor gum issues or throat discomfort.

For Deodorant Use

Wet the alum stone slightly and apply it to the underarms. It forms a thin, invisible layer on the skin that prevents the growth of odour-causing bacteria without blocking sweat glands.

Unlike chemical deodorants, alum does not leave stains or strong fragrances, making it a suitable option for daily use. However, ensure your skin is clean before application for better effectiveness. Let it dry naturally before dressing to avoid any residue on clothes. However, do not apply the alum to irritated or broken skin.

Also Read: How to Increase Platelet Count: Foods and Supplements

The Bottom Line

The health benefits of alum stone make it an essential, cost-effective tool for skin care, oral hygiene, and water safety. From its anti-ageing alum on face benefits to its role as a natural disinfectant, this mineral is truly versatile. However, always perform a patch test when exploring alum uses for skin to ensure no irritation occurs.

Ensure that you have adequate health insurance coverage through Bajaj General Health Insurance for any sudden visits to the hospital. With a proper comprehensive health insurance plan, your path to natural well-being will be enhanced.

Frequently Asked Questions

Are there any side effects of using alum on the face?

While alum skin benefits are numerous, excessive use can lead to dryness or irritation. People with sensitive skin should use it sparingly and always follow up with a moisturiser.

How do you use an alum stone as a deodorant?

To enjoy the benefits of alum stone as a deodorant, simply wet the stone and rub it gently on clean underarms. It leaves a thin layer of salt that prevents bacterial growth.

Can alum be used to treat cracked heels?

Yes, one of the significant health benefits of alum is its ability to soften skin. Soaking feet in warm water with alum powder and rock salt helps remove dead skin and heal deep cracks. Following this with a thick foot cream and socks overnight can yield results within a few days.

Is it safe to ingest alum?

Yes, but you must avoid ingesting alum in large quantities. While people use it in tiny amounts in some traditional recipes or mouthwashes, consuming too much can be toxic. Always consult a professional before ingesting it.

Can alum remove body hair?

Traditionally, alum was mixed with rose water to slow down hair growth after waxing or threading. While not a permanent removal method, the use of alum stone has been a common historical practice to weaken hair follicles over time, leading to finer regrowth.

Disclaimer: The content on this page is generic and shared only for informational and explanatory purposes. It is based on several secondary sources on the internet and is subject to changes. Please consult an expert before making any related decisions.

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