À-la-Découverte-de-la-Pierre-d-Alun-Naturelle Lemnis

Discovering Natural Alum Stone

Points covered in this article

  1. Introduction
  2. What is Natural Alum Stone?
  3. The Origins of Natural Alum Stone
  4. How Does Natural Alum Stone Fit Into Our Lives Today?
  5. Practical Advice for Using Natural Alum Stone Properly
  6. Conclusion

Introduction

Natural alum stone is a true treasure of nature, used for centuries for its many benefits. This mineral stone, mainly composed of potassium alum, is prized for its deodorant, healing and soothing properties. More and more fans of natural products are turning to natural alum stone as an ecological and effective alternative to conventional deodorants. But what exactly is natural alum stone , and why is it so popular today? In this article, we will explore its origins, uses and fascinating history, while giving you practical tips for incorporating it into your daily life.


What is Natural Alum Stone?

Natural alum stone is much more than just a mineral: it is an ancestral, ecological and minimalist solution for daily care. Used for centuries throughout the world, this stone fascinates with its simplicity and effectiveness. But to better understand it, let's take a look at its definition, types and uses.

A Simple and Clear Definition

Natural alum stone is a mineral stone formed mainly of potassium alum, a double sulfate of potassium and aluminum. Unlike its synthetic version, obtained in the laboratory, it is extracted directly from volcanic rocks rich in alunite. Its slightly opaque transparency and smooth texture make it immediately recognizable.

It is often used as a natural deodorant, but its usefulness does not stop there. Thanks to its astringent and antibacterial properties, it can also soothe small cuts or calm skin irritations.

Concrete example : Imagine that you come out of a shaving session and your skin is irritated. Rather than using a lotion full of chemicals, you take your natural alum stone, which you gently pass over the affected area. Instantly, it calms the burning sensation and protects your skin from infections. Simple, natural and effective!


The Different Types of Alum Stone

Did you know that there are two main types of alum stone? Although visually similar, they are produced using different processes, which impacts their quality and use.

  • Natural alum stone (potassium alum) : Extracted from natural deposits, it undergoes only minimal transformation. It is the preferred choice for fans of natural products.
  • Synthetic alum stone (ammonium alum) : Industrially manufactured, it is often less expensive, but may contain unwanted additives.

It is essential to read labels carefully when purchasing. To ensure you are getting a natural alum stone , look for statements such as "100% potassium alum" or "naturally extracted."

Concrete example : Sophie, a fan of ecological products, went to an organic store to buy her first alum stone. While looking at the labels, she noticed a mention indicating "made from ammonium alum". She then asked the seller for advice, who showed her a real natural alum stone from Syrian volcanoes. Thanks to this vigilance, she avoided buying an industrial product.


What is Natural Alum Stone Used For?

The uses of natural alum stone are multiple, making it a must-have for those looking for minimalist and multifunctional solutions. Here are its three main applications:

  • Natural deodorant

Thanks to its antibacterial properties, alum stone neutralizes the bacteria responsible for bad body odors, without blocking perspiration. Unlike traditional deodorants, it does not contain alcohol, perfumes or parabens. In fact, it simply creates an invisible barrier on the skin to prevent the proliferation of bacteria.

Concrete example : Thomas, who sweats a lot in the summer, replaced his spray deodorant with a natural alum stone . After a day of hiking, he noticed that his armpits remained odorless, while leaving him feeling fresh.

  • Soothing after shaving

Whether you're shaving your face, legs, or another sensitive area, alum stone is great for calming redness and preventing infections. Simply lightly wet the stone and run it over the irritated skin.

  • Care of minor cuts and insect bites

Natural alum stone acts as a quick antiseptic. In case of a small cut or sting, it helps to coagulate the blood and soothes the pain.

Concrete example : During a picnic, Clara was bitten by a mosquito. She had her natural alum stone in her bag. By gently rubbing it on the bite, she felt immediate relief, and the swelling went down within a few hours.


The Origins of Natural Alum Stone

Natural alum stone doesn’t come out of nowhere. It’s the result of a fascinating geological and historical process that connects the earth, volcanoes, and human ingenuity. By diving into its origins, we discover not only how it forms, but also why it has been so prized throughout the ages.

A Stone Born from Volcanoes

Natural alum stone originates from volcanic rocks rich in alunite, a mineral found in acidic soils and volcanic environments. When these rocks are exposed to high temperatures and chemical transformations over millennia, they give birth to this exceptional stone.

The main deposits of alum stone are found in volcanic regions of the globe, particularly in Syria, Italy and Asia Minor. These areas, once rich in volcanic activity, allowed the formation of vast deposits of alunite, from which natural alum stone is extracted.

Concrete example : In Italy, near the ancient volcanic areas of Tolfa, archaeological excavations have revealed quarries used since ancient times to extract alum. These stones were then exported throughout the Roman Empire for various uses, ranging from textile dyes to personal care.


A Millennial History

Natural alum stone has been used for thousands of years, long before modern industry invented its synthetic alternatives. Its discovery dates back to ancient times, where it played a central role in many civilizations.

  • In ancient Egypt

The Egyptians used alum stone to purify water and in some beauty rituals. Thanks to its antiseptic properties, it was also used to treat minor wounds and preserve the skin.

Concrete example : Medical papyri, such as the Ebers Papyrus, mention alum among the substances used to treat skin infections. Cleopatra herself is said to have incorporated natural alum stone into her body care.

  • In the Middle Ages

During this period, alum stone was especially prized for its fixative properties in textile dyes. European weaving mills imported alum from the Mediterranean to improve the color fastness of fabrics.

  • In modern times

With the emergence of cosmetics in the 19th century, alum stone found new popularity as a natural deodorant and aftershave. Unlike many chemical products introduced at that time, natural alum stone continued to appeal for its effectiveness and simplicity.


Diverse Origins Across the World

Although natural alum stone is known worldwide, its extraction and use methods vary by region.

  • In Syria

Syria is one of the historical cradles of alum stone mining. The mines of the Aleppo region, famous for their soap, are also sources of high-quality alunite.

  • In Morocco

In Morocco, alum stone is often used in traditional care. It is sold in the souks in raw or polished form. Moroccans use it mainly as a deodorant, but also to soothe skin irritations.

Concrete example : During a trip to Marrakech, a tourist discovered natural alum stone in a local market. Impressed by the seller's advice, he tested it on an insect bite and was surprised by its instant effectiveness.

  • In the Philippines

In Asian islands like the Philippines, alum stone is known as "tawas." It is widely used in traditional medicine practices to relieve itching, soothe insect bites, and even reduce some body odors.


How Does Natural Alum Stone Fit Into Our Lives Today?

In a world where natural and ecological products are increasingly popular, natural alum stone stands out for its simplicity and effectiveness. In addition to being respectful of the skin and the environment, it finds its place in many daily routines. But concretely, how to use it, and why does it appeal so much to fans of natural products?

A Natural Alternative to Industrial Products

One of the great things about natural alum stone is that it is a minimalist and healthy alternative to industrial products, often filled with controversial chemical compounds. Deodorants, aftershaves, or even products to soothe insect bites: alum stone can replace several products while remaining very affordable.

Proven effectiveness as a deodorant

Unlike conventional deodorants that block sweat with aluminum salts, alum stone works differently. It doesn't clog pores, but reduces odors by preventing the growth of odor-causing bacteria. Plus, it doesn't contain artificial fragrances or parabens, making it an ideal choice for people with sensitive skin.

Concrete example : Julie, a young mother concerned about limiting her exposure to chemicals, replaced her classic deodorant with a natural alum stone . After a month of use, she noticed a reduction in irritation under her armpits and was pleasantly surprised by the total absence of odors, even after a sports session.

A soothing aftershave treatment

For both men and women, shaving can cause redness or micro-cuts. By applying alum stone to damp skin after shaving, you benefit from its astringent and antibacterial properties that instantly soothe and reduce the risk of infections.


Adopted by Zero Waste Lovers

With the rise of the zero waste movement, more and more people are looking for products that combine simplicity and durability. Natural alum stone fits the bill perfectly: it is strong, easy to use, and can last for several months or even an entire year.

A minimalist and sustainable product

A single alum stone can replace several bottles of deodorant or aftershave, reducing plastic waste. Plus, it's often sold unpackaged or in recyclable packaging, making it a great eco-friendly choice.

Case in point : Thomas, a minimalist, has reduced his bathroom routine to just three products: a bar of soap, a bamboo toothbrush, and a natural alum stone . He particularly appreciates the fact that the latter fulfills several functions while taking up very little space.

Easy to carry, ideal for travel

Thanks to its compact and solid format, alum stone is also an excellent travel companion. No risk of it leaking in the toiletry bag or being refused at the airport, since it is not liquid.


A Versatile Product for the Whole Family

While natural alum stone is best known as a deodorant, its uses go far beyond that. Here are some amazing ways to incorporate it into your daily life

Soothe bites and irritations

Whether it is to soothe a mosquito bite, calm an itch or reduce irritation, alum stone is a quick and effective solution. Its astringent properties help reduce inflammation and protect the skin.

Real-life example : While camping with her family, Emma was stung by a wasp. Luckily, she had her natural alum stone in her bag. By gently rubbing it on the sting, she felt immediate relief, and the swelling went down quickly.

An ally for athletes

Athletes, often faced with excessive sweating or friction, find in alum stone a valuable ally. It reduces body odor and can also prevent irritation due to sportswear.

Fix the makeup

Little known, this tip is nevertheless very practical: alum stone can be used as a base to set makeup. By applying it lightly to clean skin before applying makeup, it allows the foundation to adhere better.


Practical Advice for Using Natural Alum Stone Properly

Natural alum stone is a versatile product, but to get the most out of it, it is important to know how to use it correctly and maintain it. With these few practical tips, you will learn how to optimize its use while avoiding common mistakes.

How to Use Alum Stone Daily

Although its use seems simple, alum stone deserves some explanation to be fully effective. Here are the key steps for each main use:

  • Use as a deodorant

To use alum stone as a deodorant, follow these steps:

  1. Lightly wet the surface of the stone with water.
  2. Apply to clean, dry skin, directly to areas prone to perspiration (armpits, for example).
  3. Allow the skin to dry naturally.

Unlike traditional deodorants, natural alum stone does not mask odors with perfumes. It neutralizes the bacteria responsible for these odors, while allowing the skin to breathe.

Concrete example : Mathilde, a young student, tested alum stone for a week after giving up deodorant sprays. She found that a single application in the morning was enough to keep her armpits fresh all day long, even after her yoga sessions.

  • Application to a cut or irritation

Alum stone can also be used to soothe cuts or irritations:

  1. Clean the affected area with water.
  2. Lightly wet the stone and apply it directly to the skin.
  3. Let the stone sit for a few seconds, then rinse if necessary.

This use is ideal after shaving or to calm irritations due to tight clothing.

  • In case of insect bites

To soothe a mosquito or insect bite, follow these simple steps:

  1. Wet the alum stone.
  2. Rub it gently on the sting for a few seconds.
  3. Repeat if necessary.

Natural alum stone quickly relieves itching and reduces swelling thanks to its astringent and soothing properties.


How to Properly Maintain Your Natural Alum Stone

To extend the life of your alum stone and ensure its effectiveness, regular maintenance is essential. Here are some simple tips:

  • Storage and protection

Alum stone is sensitive to excessive moisture. After each use, dry it thoroughly with a towel and place it in a dry place. If possible, use a dedicated case or box to protect it from shocks and dust.

Concrete example : Pierre, a regular athlete, broke his alum stone by dropping it on the tiles in his bathroom. Since then, he has invested in a bamboo case that effectively protects his stone and makes it easier to transport.

  • Periodic cleaning

Over time, skin or water residue may accumulate on the surface of the stone. To clean it:

  1. Rinse it under lukewarm water.
  2. Use a soft brush to remove any deposits.
  3. Allow it to dry completely before storing.
  • Beware of cracks

If your natural alum stone starts to crack, don't throw it away immediately. You can still use the remaining pieces in the same way. However, handle them carefully to prevent them from breaking further.


Avoiding Common Mistakes

Although alum stone is easy to use, there are some mistakes that can reduce its effectiveness or cause inconvenience. Here's what to avoid:

  • Use the stone without wetting it

Alum stone must be moistened to release its active minerals. Applying it dry to the skin will not give the expected results.

  • Leave the stone in contact with stagnant water

If the stone remains submerged or in prolonged contact with water, it may disintegrate. Take care to always dry it after use.

  • Confusing natural and synthetic stone

It is crucial to choose a natural alum stone to avoid synthetic products that may contain unwanted additives. Check the packaging for claims such as "potassium alum" and "100% natural."

Concrete example : Lucie, attracted by an attractive price, bought an alum stone without checking its composition. After a few days of use, she noticed irritations on her skin. By consulting a specialist, she discovered that it was a synthetic stone based on ammonium alum. Since then, she has preferred certified natural stones.


Conclusion

Natural alum stone is much more than just a skincare product. With its fascinating history, volcanic origins, and multiple uses in everyday life, it embodies the perfect alliance between simplicity, effectiveness, and respect for the environment.

Whether you adopt it as a deodorant, soothing treatment or ally in a zero waste approach, natural alum stone integrates harmoniously into modern routines, while responding to health and ecological concerns.

By choosing a natural alum stone , you are opting for a healthy and sustainable alternative to industrial products, without compromising on effectiveness. It proves that natural solutions can compete with chemicals while offering a more respectful experience for your skin and the planet.

So why not rediscover natural alum stone and integrate it into your daily life? This ancestral treasure never ceases to amaze with its timeless virtues.

↑ Back to top

Back to blog