SKU: 62140775715

Alum Deodorant / Shaving Styptic of Volcanic Potassium Alum - Blocks

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Description

Alum Deodorant / Shaving Styptic of Volcanic Potassium Alum - BlocksOnce you have tried our pure volcanic alum crystal deodorant there will be no looking back! This is one of our most popular products and customers come back for it time and time again. There are many uses and alum benefits for body care. Alum Ingredients Potassium alum bisulphate. The mineral forms in large blocks which are clear opaque sometimes with a purple or grey tinge. How Alum works Natural Volcanic Alum Crystal Deodorant works as a deodorant

Once you have tried our pure volcanic alum crystal deodorant there will be no looking back! This is one of our most popular products and customers come back for it time and time again. There are many uses and alum benefits for body care.

Alum Ingredients

Potassium alum bisulphate. 

The mineral forms in large blocks which are clear-opaque sometimes with a purple or grey tinge. 

How Alum works

Natural Volcanic Alum Crystal Deodorant works as a deodorant by leaving a fine salty, slightly alkaline film on the skin, inhibiting the growth of microbes. It keeps the skin fresh and deodorized all day. No microbes equals no odour. Natural alum allows perspiration, one of the body’s cleansing and interpersonal communication mechanisms, keeps the pores free, and does not stain clothing. The molecules are large and are not absorbed into the skin, plus the molecules have a negative charge, also keeping natural alum from entering the skin.

Volcanically formed alum crystals should not be confused with factory made deodorants which often use inferior, sometimes harmful synthetic chemical ingredients. Our alum crystals are simply collected from the desert surface, placed in sacks and then shipped to the UK.

Why Alum is used

The fully natural volcanic alum crystal deodorant is so effective that even people with hyperhidrosis (excessive sweating) get along well with real alum. On the other hand, the genuine alum allows people with sensitive skin to rejoice in being able to deodorize again.

Alum stone also makes a great natural aftershave, reducing the appearance of shaving burn, and stemming bleeding from shaving nicks. That is why traditional barbers use Alum styptic. Did you know that Alum stone can also be used to relieve insect bites, reduce shaving rash, cold sores, athletes foot and to sterilize small cuts and scratches?

What is Volcanic Alum Crystal? Is Alum safe?

The genuine potassium alum forms naturally at volcanic fumeroles. Alum is abundant where it occurs, but unfortunately there are no British sources. As alum is one of the earth most common and useful minerals, used since civilization began, we may have been importing it since the Roman Period, and certainly by the Medieval Period, every foreign ship brought alum into our ports for the wool dyers to use as a mordant.

The natural crystal, potassium alum, potash alum or alum stone is totally unprocessed. Crystal deodorants labelled as ammonium alum contain synthetic ammonium, a by-product of the chemical and nylon industry. Synthetic ingredients may contain chemical residues and cause allergic reactions and ammonium alum is not such an effective deodorant.

Earth-grown Alum Stone is a safe, natural and highly effective alternative. Natural and synthetic alums look similar. The only sure way to tell them apart – is the natural crystal breaks into irregular forms with irregular surfaces and every piece is different.

How we sell our Alum 

The types and weight are listed in the drop down menus - We charge £12.00 per 100g. There is a drop down menu where you can select either the crystal blocks,  or insect bite relief chips. We do have specimen crystal block pieces weighing up to 10kg.

Please note: If you are buying alum in the block form, we supply these crystals in pairs so that we can fulfil your order with the correct weights and price.

As each piece of alum is knapped from a larger block we can not always produce pieces of exact weights, however delays are minimized if we can provide two blocks at once – it is far easier for us to find pairs of crystals which match the weight/price band rather than a single piece. 

Alum Benefits for Body Care

Alum is a versatile and natural product that can be used for a variety of purposes, and there are many alum benefits for body care. It is a safe and effective way to improve the health and appearance of your skin. Alum is a naturally occurring mineral that has been used for centuries for its medicinal and cosmetic properties. It is a type of astringent, which means that it can help to shrink tissues and reduce inflammation.

Tonic: Alum can be used as a toner to help to tighten pores and reduce oil production. It can also help to reduce the appearance of blemishes and acne.

Deodorant: Alum can be used as a natural deodorant to help to control odour and keep armpits dry. It is also effective at preventing sweat stains on clothing.

Styptic: Alum can be used as a styptic to help to stop bleeding from minor cuts and scrapes. It can also be used to help to reduce swelling and inflammation.

Antiperspirant: Alum can be used as an antiperspirant to help to reduce sweating. It works by blocking the sweat glands, which helps to keep the skin dry.

Alum is generally safe for most people to use, but it is important to test it on a small area of skin before using it on a larger area. If you experience any irritation or allergic reaction, discontinue use.

How to use alum crystal deodorant in block form

  • Select a pair of alum blocks of at least 100g. It is far easier and faster to deodorize with pieces of this size, or larger rather than pieces which are smaller.
  • Before use, rub a new piece of alum crystal with a cloth in water to remove any angular edges before using on the skin. It will takes several weeks of gentle usage before the crystal becomes really smooth like the one in the photograph.
  • Apply alum stone deodorant in a thin layer straight after bathing to the wet skin. Alternatively, dampen the stone and apply to dry skin. Alum can also be used on the feet. For especially active days, rubs the stone on the skin for longer.
  • Always rinse the Alum Stone after use and allow it to dry.
  • Allow your Alum Stone to dry on its own soap dish to prevent damage to surfaces and preserve the alum crystal intact.

How to use an alum crystal block as a shavers styptic or aftershave

  • Alum stone helps control shaving rash and stems bleeding from shaving nicks (there may be a brief tingling or stinging sensation). Alum is astringent and mildly antiseptic.
  • Select a pair of alum crystals weighing at least 100g or select the insect bite relief set for highly portable  styptic crystals.
  • After shaving and rinsing the face, simply glide the alum crystal over the shaved area. Pay extra attention to small shaving nicks, where the alum will stem the bleeding. Warning the use of alum on broken skin will sting.
  • Wash and dry the crystal after use.

How to use alum for relieving insect bites

Some people are irresistible to insects. While the alum does not prevent bites, it is the treatment of choice if you want to avoid unsightly wheals, scarring and being generally bothered by the bite.

Select the insect bite relief set of three alum chips. These are three portable pieces, each piece between 2cm-3cm long, or you can use a larger piece. The person who has been bitten should drop their own saliva onto the insect bite.

Then rub a piece of alum, beginning at the outside of the bite, certainly encompassing any reddened areas of skin, concentrically into the puncture, over the course of 30 seconds to a minute.

People who act straight away will benefit the most. So far there has been excellent feedback with mosquitoes, mozzies, animal fleas, ants, horsefly and bedbugs.

How to use alum pebbles or powder to make your own deodorant

  • Please note we have created new pages for our alum powder and alum pebbles.

The ethics of using volcanic alum crystal deodorant

  • No chemicals
  • No perfumes
  • Naturally unfragranced
  • No preservatives
  • No colours
  • No alcohol
  • No processing (it is just collected from the surface of the Western Desert, and has never seen the inside of a factory), other than knapping or milling.
  • No added ingredients at all
  • Very economical. Take care not to drop your Alum Stone as it may shatter
  • Highly effective
  • Multifunctional (deodorant/shaving/insect bite relief) saving further on packaging, postage and bathroom clutter
  • Usually considered safe for sensitive skins
  • One piece can be shared by all of the users of the bathroom, as it is washed between each use, saving on bathroom clutter and packaging
  • For a change – a traceable deodorant!
  • Helpful for hyperhydrosis

If you need help selecting your alum please call 0800 023 5008 or 01508 486517 and I will try to find you pieces to suit your budget and requirements.

For some people just washing the underarms in rhassoul clay on a daily basis may obviate the need for a deodorant, because the clay has mild deodorizing properties. Hemp Oil Soap is great for washing under the arms to as it instantly removes body odour. Rinse the clay or hemp soap off thoroughly before applying the alum.

People with very sensitive skin who need to wear alum crystal deodorant during the day can wash the deodorant off before they go to bed at night.

At the other end of the scale, people with hyperhidrosis (a condition characterised by excessive sweating) often get along very well with volcanically formed potassium alum. They should always use natural alum in preference to aluminium chlorohydrate. Natural alum remains on the skin, killing microbes acting as a powerful deodorant, where as aluminium chlorohydrate, acting as an antiperspirant releases the aluminium ions into the sweat gland blocking the exit of sweat. Then elemental aluminium is inside the body. Please do make a point of trying fully natural potassium alum if you suffer from hyperhidrosis as they are a lot safer than strong antiperspirants!

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 62140775715

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4.3 ★★★★★
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Don L. III
Bozeman, US
★★★★★ 5
Great to exercise the dogs!
Style: Sport, Size: Large
Great to throw 3” KONG Ball (RED) with hole thru it! The thrower is the best to exercise dogs with retrieving balls!
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Reviewed in the United States on May 6, 2026
M
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Michael F.
Grantham, US
★★★★★ 5
The best way to tire your dog out in the dark
Size: 25in
My 7 month Golden Retriever puppy has way too much energy. And I go to work in the dark, and come home in the dark. This was the solution. First of all if you get this, I suggest a UV flashlight to charge it. Most of these phosphors for glow in the dark items have very strong optical absorption in the UV, and the UV will charge both the ball and the launcher in seconds. I shine the light at the launcher with the ball in it, since you can then see where the launcher is when you are trying to load the ball. I use this UV flashlight, which takes qty=3 AA batteries. https://www.amazon.com/gp/product/B01A5KLUG2/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1 I have never used a launcher before and I learned it within about 10 throws. It is easy to have a basic competence. I live in a suburban area and I send the ball across front lawns, trying to avoid the street, or hitting my neighbors parked cars. I can consistently do this now with the launcher, which is a big improvement over the old tennis racket and ball routine. I got the 25" medium ball launcher, which also works for tennis balls. The scoop goes easily over the Chuck-it balls. My older dog is not taking to it, since he was trained to sit and give the ball. This works better if you have the dog drop the ball so you can scoop it. The glow in the dark ball has 2 holes (think wiffle) that have a low pitch whooshing whistle as you toss it. This is great for my puppy who gets easily distracted as the glowing ball and the noise it makes really helps him propery mark it. Overall I think the dog retrieves better in the dark as there are fewer distractions, and I feel better about the dark for retrieving since there is no traffic early in the morning (both foot and auto). The ball has some squish to it and the pup loves to chew on it as he brings it back. I do not let him play with it when we are not retrieving...better for him to destroy his chew bones and ropes. It took him about 5 tries to get the hang of picking up the new ball. The older dog (13yr old golden) does not like it and only goes for tennis balls. I can tell already this is my puppy's favorite toy ever. I put it up out of reach across coat hooks in the entryway, and that pup will sit there staring at it, then at me, then at it hoping that I will go out and use it. With bounces and rolls and the puppy missing the grab this has gone 100-150' across 3 front lawns. I am looking forward to giving it a go in the park on the weekend. Main problems with the pup now are he likes to parade around me with the ball when he comes back, then lie down and try to give it a proper chew. If I use my launcher to pick it up, I have to put my foot between him and the ball since he will try to get it back fast. Overall this launcher means faster pickup, faster release, more accurate release, good distance, and a better run per time allocation than the old tennis racket and ball routine.
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Reviewed in the United States on January 29, 2020
B
Verified Purchase
Babs Kilgore
Carnegie, US
★★★★★ 5
Chuck a Glowing Ball
Size: 18in
This baby ball checker is good for a medium sized dog because of the size of the ball which glows in the dark. It is a handy feature for playing with the dog at night. It is fairly priced, durable. It doesn’t squeak and is not made to be chewed. F your dog likes to run around after balls this should be good for you.
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Reviewed in the United States on December 19, 2025
C
Verified Purchase
Country Heaven
San Leandro, US
★★★★★ 5
This is the one to buy if you wish to get the most out of your arm and give the most to your dog
Size: 25in
The pro series must be made of a higher quality plastic than the original version, as the stiffness of the Pro series chucker allows for way more distance with less effort and greater control (for line drives, high arching throws, and bouncing grounders). Your dog will thank you endlessly for choosing the Pro over the regular (original) models. I have an old legacy original model that I keep in my truck for road trips that works reasonably well, though not as well as the Pro version. Here’s the thing: Before purchasing the Pro model, I ordered another original version (same length, 25”) and was instantly disappointed in how soft and leverageless was the chucker. Either my (original) original one (a Goodwill find) stiffened over the course of years, or the newly made “original” versions are now made with a softer kind of plastic. This soft chucker led to a disastrous throwing experience for my dog. Instead of thrilling at each throw and the lightning fast response of my dog, I hated every throw. I returned the “original” model and ordered the only 25Pro model I could find at 25” on Amazon… a glow in the dark version. There may be a benefit to the glow in the dark feature, but I don’t really care about that. It’s the leverage that I wanted and that’s what I got with the Pro version 25”.
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Reviewed in the United States on August 22, 2025
K
Verified Purchase
Kelly Mikulcik
Massapequa, US
★★★★★ 5
Great design
Size: 25in
Ball is very durable yet soft. Whistles when you throw it and goes very far. Handle is ergonomic with a nice rubber grip. Both the launcher and ball glow green in the dark. My GSD loves it. She’s 75 lbs and the medium ball is fine.
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Reviewed in the United States on January 23, 2026

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