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Alum (Fitkari): Uses, Health Benefits & Side Effects

Posted On:4th Sep 2019
Updated On:12th Aug 2025
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Key Highlights

  • Alum is a natural astringent that can help tighten skin, reduce pore size, and treat acne and blemishes.
  • Alum has antibacterial and anti-fungal properties that make it useful for treating dandruff, scalp infections, and other hair and skin issues.
  • Alum can be used as a natural deodorant, fever reducer, and anti-inflammatory agent for sprains and injuries.
  • Excessive alum use can lead to skin irritation, kidney damage, and other side effects, so it should be used in moderation.

Alum, also known as fitkari, is a natural substance that has been used for centuries across different cultures. This crystalline salt has a wide range of applications, from water purification and food preservation to cosmetic and medicinal uses. In our daily lives, we may come across alum without even realising it.Whether it's in the baking powder we use for cooking or the deodorants and aftershaves in our bathroom cabinets, alum is a common ingredient in many household products. Let's explore fitkari uses and benefits.

What is Alum?

Alum, or potassium aluminium sulphate, is a type of salt that occurs naturally as minerals like alunite and leucite. In India, it is mostly extracted from soil ores found in regions like Bihar, Punjab, and Kathiawar, as well as in Nepal.Alum appears as colourless, transparent crystals or as a white granulated powder. It has a sweetish, astringent taste and is highly soluble in water.

Types of Alum

There are several types ofalum, each with slightly different properties and uses:

  • Potash Alum (Potassium Alum): This is the most common type of alum, also known as potassium aluminium sulphate. It appears as white crystalline solids with a metallic smell and is mainly used for water purification.
  • Soda Alum (Sodium Alum): Sodium alum is similar to potash alum but contains sodium instead of potassium. It is used as an acidulant in baking powder and food.
  • Ammonium Alum: This type of alum contains ammonium instead of potassium or sodium. It is used in aftershaves and hygiene products.
  • Chrome Alum (Chromium Alum): Chrome alum appears as purple crystals with a metallic water smell. It is used in the leather tanning process.
  • Selenate Alum: In this type of alum, selenium replaces sulphur, making it a strong oxidising agent. It is used in antiseptics to prevent infections.

Health Benefits and Uses of Alum

The fitkari benefits and uses include the following:

Alum Benefits for Face and Skin

There are multiplealum benefits for the skin due to its astringent, antibacterial, and anti-inflammatory properties:

  • Alum acts as a natural astringent, helping to tighten the skin and reduce pore size.
  • It can treat acne and blemishes by fighting the bacteria that cause them.
  • Alum can brighten the skin by removing dead cells, dark spots, and pigmentation.
  • It acts as a natural deodorant by inhibiting odour-causing bacteria.
  • Alum can relieve sunburns by reducing redness and discomfort.
  • It can help heal minor cuts, wounds, and skin infections like boils and impetigo.
  • Alum's anti-fungal properties can help treat vaginal candidiasis.

Alum Benefits for Hair

Alum can also benefit the hair in several ways:

  • It can treat dandruff and other scalp infections with its antimicrobial properties.
  • Alum can help remove fine hair when mixed with water or rose water and applied as a paste.
  • It maintains the scalp's pH balance, reducing oiliness, itching, and flaking.
  • Alum can strengthen hair roots for healthier, shinier hair with less breakage.
  • It can be used as a natural hair straightening agent when mixed with water or egg white.

Medicinal Uses

In addition to its cosmetic uses, alum has several medicinal applications:

  • Alum water can help reduce fever by lowering body temperature.
  • An alum bath can reduce swelling from sprains and injuries due to its anti-inflammatory effect.
  • Alum may suppress platelet aggregation, making it a potential anti-platelet drug.
  • Some limited research suggests that alum may induce weight loss by increasing HDL, triglycerides, and cholesterol levels.
  • Alum water may help clean postoperative wounds, but professional guidance is advised.
  • Topical application of alum and honey may relieve recurrent mouth sores and stomatitis.
  • Alum has shown the potential to enhance the immune response against cancer cells, but more research is needed.

Also Read: Plan your Health and Wealth to Achieve the Perfect Balance

Fitkari Side Effects and Precautions

While alum is generally safe when used in moderation, there are some potential side effects and precautions to keep in mind:

  • Skin Irritation : Alum may cause redness, dryness, and irritation, especially on sensitive skin. It's best to use it diluted, do a patch test first, and moisturise after use.
  • Irregular Kidney Function : People with kidney issues should avoid using alum. Even for others, it should be used in limited quantities to prevent kidney damage and toxicity.
  • Gastrointestinal Distress : Consuming alum can cause nausea, vomiting, and diarrhoea.
  • Aluminium Toxicity : Prolonged exposure to alum can lead to aluminium poisoning and build-up in the body, which can be harmful to health. Use it in moderation.
  • Drug Interactions : There is limited information on how alum interacts with medications. Consult your doctor if you are taking medicines for diabetes, blood pressure, heart disease, or other conditions.
  • Not for Ingestion : Alum is meant for topical use only. Keep it away from children to avoid accidental consumption.

Also Read: 4 Benefits of Living a Healthy Active Lifestyle

Use the Benefits of Alum Safely and Wisely

Alum, or fitkari, is a versatile natural substance that offers numerous benefits for skin, hair, and overall health when used properly and in recommended quantities.However, it's crucial to use alum with caution, in moderation, and under the guidance of a healthcare professional if needed.

FAQS - FREQUENTLY ASKED QUESTIONS

Can I use alum every day on my skin?

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Is alum safe to use during pregnancy?

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Can I use alum to whiten my teeth?

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How long does alum take to show results on the skin?

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Can I use alum to treat fungal infections?

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Is it safe to use alum on broken skin?

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Can I use alum to remove hair permanently?

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How do I store alum?

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Can I use alum to purify water?

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Is alum safe to consume?

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Disclaimer

The information contained herein is generic in nature and is meant for educational purposes only. Nothing here is to be construed as an investment or financial or taxation advice nor to be considered as an invitation or solicitation or advertisement for any financial product. Readers are advised to exercise discretion and should seek independent professional advice prior to making any investment decision in relation to any financial product. Aditya Birla Capital Group is not liable for any decision arising out of the use of this information.



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