Uses and properties of alum stone

Uses and properties of alum stone

Have you considered starting to use alum stone? We tell you its uses and properties to solve all your doubts.


The alum stone is a mineral – based salt potassium sulfate (alunites), it found naturally in deposits in many regions around the world, especially in Syria and the Middle East. It has been used since ancient times both in cosmetics and for cleaning fabrics. We give you all the information you need to know about its uses, properties and benefits.

At present, we find aluminum stones in two different versions, the natural and the synthetic . To differentiate them, it must be taken into account that:

  • The stone synthetic alum is identified with the name of “ammonium alum” and is made from ammonium salt.
  • The natural alum stone corresponds to the name of “potassium alum” .

Aluminum, of whose carcinogenic risks we have been warned at times, is one of the components of natural and synthetic alum stone. However, not all forms of aluminum affect our health in the same way. In this case, it is not an element that adheres to the skin and, in addition, it is eliminated naturally through perspiration or when showering .

In addition, it is important to bear in mind that this carcinogenic risk that has been talked about on several occasions, is not proven . Despite the hoaxes, there are no studies or data to prove any of this.

The properties of alum stone

Although alum stone is known for its antiperspirant properties and its application as a body deodorant to improve hygiene, the truth is that it has many other qualities that make it a very versatile natural element. Best of all, unlike many other conventional beauty products, it is a natural mineral suitable for all skin types.

We tell you what its properties are so that you know when you can apply it and obtain its benefits:

  • It has astringent, antiseptic and antiperspirant properties . After application, it leaves a transparent layer that acts as a barrier against bad odors and the formation of bacteria.
  • It contains hypoallergenic properties , that is why the most sensitive and reactive skins can use it without problems.
  • It is hemostatic and astringent , that is, it has healing compounds. That’s why it heals scratches, small cuts, and even razor burn.
  • With it you can treat sores and small wounds in the mouth as well as other oral problems.
  • It is also an excellent remedy for insect bites .

In other words, by way of summary, the uses of alum stone are the following:

  • Body deodorant
  • Wound and irritation healing
  • Soothing after shaving
  • Relieve insect bites
  • Laundry cleaning

However, although alum stone helps control body odor, it does not eliminate it completely. This is why, depending on each case, it may not suit your needs. Therefore, it is best for you to try it and determine if it is suitable for you or you need a different product.

How to use alum stone

Before using the alum stone, it must be moistened a little . Then, you have to apply it to the areas of the skin that you want to treat: armpits, feet, face, etc. Remember that you must have previously cleaned and dried the skin well and that the stone has dissolved when it comes into contact with water. After use, do not forget to dry it and keep it completely clean .

One of its greatest advantages is that it does not stain clothes . If you are particularly sensitive to the perfume in your deodorant and don’t like the fact that the stone is odorless, add a few drops of essential oils .
We must be careful not to drop it, because, due to its composition, it breaks very easily.

How to choose the correct alum stone

The best option is natural alum stone . You will recognize it by its slightly translucent appearance and because it includes «potassium alum» among its composition.

As the law requires that the composition of any product be detailed on the labels of cosmetic products, it will not be difficult for you to differentiate between the two types of alum stone. It is preferable to avoid synthetic stones because they can contain more chemical compounds.

Finally, you should keep in mind that this type of body deodorant has no odor.

Where to get it?

You can buy alum stone in pharmacies and parapharmacies as well as in organic stores . Natural care is increasingly available to everyone and in that case we can even get the product online. Now, make sure you buy it from a reputable store to avoid problems. Also, due to its great popularity in recent years, there are supermarkets where you can also find it.

It comes in different formats: deodorant in the form of a stick, small tablet, swabs and even powder.. It costs between € 5 and € 10, although the price may vary depending on the size of the stone. As for the duration of the product, while the classic deodorants only last a few months, the alum stone can approach a year. Therefore, it can be an excellent option to save and reduce consumption.

From the looks of it, alum stone is becoming a fairly common beauty product in every home’s bathroom! Do you dare to try it?

Our recommendations …

100% Natural Alum Stone, by Barber Tools:Perfect for soothing the skin after shaving or waxing and as a natural aluminum-free deodorant. You can buy it on Amazon for € 9.88 here .

100% alum stone deodorant, by Bionatural:Indicated for all skin types, especially for the most sensitive skin. You will avoid bad odor or excessive sweating problems in a totally natural way and without aluminum. You can buy it on Amazon here for € 8.60 .

Alum stone deodorant , Ynsadiet: 100% natural deodorant, with proven efficacy and dermatologically tested. 120 gr. You can buy it on Amazon here for € 5.70 .

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