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How Alum is Beneficial for Skin?

Written by Minature Herbal


Posted on May 21 2024

Alum is scientifically known as potassium alum and is commonly known as Phitakri / Fitakri Powder in India. It is a naturally occurring mineral known for its astringent and antiseptic properties. This versatile compound has been used for centuries in various applications, from water purification to skincare. In this blog, we will explore the properties and benefits of alum in the form of powder and bar, and how it can be integrated into your daily routine.

What is Alum? 

Alum is derived from alunite rock and is commonly used in a crystalline form known as an alum bar. Its natural astringent and antiseptic properties make it a popular choice in both traditional and modern applications. Whether used DIY face mask, as a natural deodorant, or water purifier, Alum Powder has numerous uses and benefits to offer. 

Properties of Alum

Astringent: Alum astringent properties make it a perfect compound to use for tightening and toning the skin. 

Antiseptic: Alum is a natural antiseptic compound that helps prevent infections.

Anti-inflammatory: Reduces inflammation and soothes irritated skin. 

Odor Neutralizer: It combats odor-causing bacteria. 

Purifying Agent: Can be used in the water purification process.

Benefits of Alum

Acne Treatment

Alum helps reduce acne and pimples. But how? Its antiseptic properties help disinfect the skin, reducing the appearance of acne. By drying out pimples and shrinking pores, it prevents further breakouts. 

Skin Tightening

 Alum can help tighten the sagging skin and reduce the appearance of fine lines. The astringent nature of Alum helps to shrink pores and firm the skin. Regular use of Alum Powder or Alum Bar can give you a noticeable improvement in your skin elasticity and texture. 


Alum is an excellent aftershave. Its antiseptic properties help to soothe and heal minor nicks and cuts from shaving and stop bleeding, reducing the risk of infection and leaving your skin feeling smooth and refreshed.

Natural Deodorant

It neutralizes body odor. Alum's neutralizing properties make it a great natural deodorant. It combats the odor-causing bacteria. By applying the alum bar to your underarms or feet, you can stay fresh all day without the use of synthetic chemicals. 

Skin Lightening

Alum Powder helps lighten dark spots and blemishes. It is a perfect remedy to fade the dark posts, pigmentation, and blemishes. It is effective in fading dark spots and evening out the skin tone.

How to Use Alum

Different forms of alum (powder and bar) with illustrations of their various uses for skin care.

Face Mask

Mix Alum Powder with rose water to form a smooth paste and apply it to your face. Wash it off after 15-20 minutes. Use it twice a week for best results. This mask will help to tighten your skin and reduce acne.

Natural Deodorant

Wet the Alum Bar and apply it directly to clean and dry your underarms or your feet. The alum helps to control sweat and neutralize odor. 


Dissolve a small amount of Alum Powder in water and apply it to your face after shaving or use the Alum Bar. It helps soothe the skin and prevent infections. This practice can help reduce razor burn and leave your skin feeling smooth.

Spot Treatment for Acne

Mix Alum Powder with water to create a smooth paste, apply it directly to the pimples, and leave it overnight. The alum dries out pimples and reduces inflammation.

Additional Uses of Alum 

Water Purification

Alum is used to purify water. It helps in coagulation impurities, making them easier to filter out. This is particularly useful in rural or emergency settings where clean water is scarce.

Odor Control in Shoes

Sprinkle Alum Powder inside your shoes to eliminate odors. Regular use can keep your shoes fresh and odor-free.

Potential Side Effects of Alum

Skin irritation

Prolonged use of alum may cause redness, itching, or a burning sensation on the skin.

Solution:  Limit the usage to small, infrequent applications. Always do a patch test before using it extensively. If irritation occurs, discontinue use immediately and apply a soothing moisturizer or aloe vera gel.


Alum can strip natural oils from the skin, leading to dryness.

Solution: Follow up with a hydrating moisturizer after using alum. Use it sparingly to avoid excessive dryness. You can use MINATURE's Body Butter or Aloe Vera Gel. 

Skin Darkening

Regular use on sensitive skin areas may cause darkening or pigmentation.

Solution: Use alum only on non-sensitive skin areas and avoid prolonged use. Apply sunscreen when using alum on exposed skin to prevent pigmentation.

Alum Powder and Alum Bar can be a great addition to your skincare routine! Try it out and share with us your experience. 




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