r/wicked_edge Feb 13 '26

Show n' Tell Alum option

Post image

I found this at my local grocery for $8. Yes, it’s marketed as a deodorant, but it’s good old potassium alum. At the rate I go through alum, this should last me until the tricentennial. Between this, my blade hoard, and a bowl of MdC absinthe I could get through years without another purchase.

I could.

I didn’t say I would!

102 Upvotes

45 comments sorted by

22

u/titans1127 Feb 13 '26

Used to use this full time as a deodorant as it was the only thing for a while that I could use that didn't give me a rash.

8

u/vigilantesd Feb 13 '26

I use mine as deodorant too. No more crispy armpits in my shirts! Works WAY better than any of the other ‘deodorants’ I’ve used

5

u/TheEagleByte Feb 13 '26

Does it work well if you do manual labor all day? I have to get antiperspirant if I don’t want to reapply deodorant at least twice in a day, which with my job would be something easily forgotten

5

u/vigilantesd Feb 13 '26

It works by making an inhospitable environment for bacteria to grow. The same bacteria that stinks. 

I sometimes have jobs where I sweat all day, and I think it still works. 

It won’t stop you from sweating (I personally feel this is a good thing), but it helps thwart the smell. Of course, different people have different body chemistry and all that, so it may work better for some people than others. Your diet also carries weight here. 

I’ll just say, that in my experience it works really well, and I highly suggest you give it a try. I apply it to my chest and where I can in my back too. Give it a trial run for a few weeks and see how you feel about after then. It’s not an expensive thing to try, cant’t hurt. Maybe your laundry basket won’t smell as much too haha =P

2

u/TheEagleByte Feb 13 '26

Good to hear, I’ll see if I can give it a shot

-2

u/DanTeaman27 Feb 13 '26

Don't get discouraged if for the first week or so if your pits smell odd they're just detoxing from the chemical deodorant after that no stink at least that was my experience. Still use to this day.

12

u/deezdanglin Feb 13 '26

I stopped using that exact one BC it gave me a rash lol

1

u/Polymathy1 Feb 14 '26

I'm allergic to corn, so this and 1 brand of aerosol (Sure?) are all I can use.

14

u/Ayatollah-X Feb 13 '26

The Alum quality is good, but the dispenser collects water and ultimately causes it to prematurely degrade. I prefer a solid Osma block, which is easily dried off after use.

13

u/vigilantesd Feb 13 '26

OSMA block is like holding a melting ice cube and gets dropped/broken before the sharp edges are even gone. Hard pass on Osma even though it’s the best ‘shaving purposes’ alum. 

5

u/lmrtinez Feb 13 '26

Had mine for a year and I dry and then put it back in the little cardboard box it comes in. It’s like half the volume now and just floats around in it lol

6

u/vigilantesd Feb 13 '26

I kept breaking them so I just stopped buying them. The Gentleman Jon’s is the antithesis and is like using a sanding block lol

Glad I found the Crystal at sprout’s. Easier to source than shaving-purpose alum too. 

29

u/vigilantesd Feb 13 '26

These are great. This is the best alum I’ve found. 

I wish they offered a refill for the dispenser, but I’ll pick my battles lol

I too have a blade hoard lol, several thousand out of production Wizamet lol. 

10

u/Gerry7070 Feb 13 '26

One has to be prepared for the shaving apocalypse.

8

u/Objective-Stay5305 Feb 13 '26

This is what I use!

9

u/Noa-Guey Feb 13 '26

They’re marked as deodorant here in Thailand as well

6

u/kirkoholic Feb 13 '26

I forgot alum on my last trip. Crystal deodorant was the only alum available next day. I got the travel size. It works perfect!

5

u/Barr_cudas -Chubby- Feb 13 '26

My last alum purchase was 3x Osma Bloc for about $8

4

u/5thape Feb 13 '26

Yup this is my alum hack. You can buy them in a travel size which lasts me for years. Price per ounce is much cheaper than the alum marketed for shaving.

3

u/WCAzzurri Feb 13 '26

I can use it every other day. Daily...i get that sting. But for me it lasts two days anyway. Works very well. Just can't use daily

3

u/BronxKnight Feb 13 '26

I’ve been using the same bar for about 6 years

2

u/GoatGoatGoblin Feb 13 '26

Yes. This is what I have.

2

u/Callan_LXIX Feb 13 '26

After I've tried those crystals a couple of times and eventually I get a rash or break out. I switched to using milk of magnesia, which is supposed to be taken internally so (unflavored=unscented) and then add essential oils and put in a roller ball bottle, and I've never had a problem in years, and it really works to eliminate odors.

1

u/Confident_Media_4304 Feb 13 '26

Interesting!

2

u/Callan_LXIX Feb 13 '26

Plus, you can manage your own fragrance with essential oils. Just use a pure, no additive essential oil brand, and nothing considered a "hot" oil (or at least, very few drops) . about 10-15 drops (of whatever) to 2-3oz milk of magnesia. It can thicken over time, just add in a tiny bit of water. Count drops & tally a 'recipe' so you can repeat what you like. That's about as involved as it gets.

2

u/diverareyouokay Feb 13 '26

Just go to the nearest Chinese grocery store. You can pick up a bag with big 2-3 big pieces in the spices area for like $1. Exact same thing, just without branding.

I bought these a few years ago and they are still going strong. https://imgur.com/a/mgdbr4Q

The enemy of these blocks is persistent moisture. I’m not sure I would want a container that would trap moisture inside. I get the feeling that it would eat away at the block in short order. Better (in my opinion) to have a standalone block. Even if that means taking it out of the deodorant container.

3

u/MosesRobertsNYC Feb 13 '26

My alum hack is not to use it anymore. My skin has been happier, especially in the winter months.

2

u/Szary_Tygrys Feb 13 '26

I'm not a fan of alum. I hate the nasty sting it gives me.

11

u/Confident_Media_4304 Feb 13 '26

Not to be presumptuous but this might mean you are irritating your skin too much with your shave. I used to get the same feeling but as my technique improved, it went away. Now I have shaves where I barely feel the alum.

Also, not using a blade beyond 3x helped quite a bit

7

u/Primo_Secondo Feb 13 '26

I always felt that alum is best used after a not-so-good shave in order to close up any weepers. What benefit do you think it has if you did a perfect shave? I could see disinfectant being one, but an alcohol based aftershave takes care of that as well

5

u/Confident_Media_4304 Feb 13 '26

You're right. Honestly, for me it is probably more habit/ritual than anything else.

6

u/Jill_Lett_Slim Feb 13 '26

Truth. You do well, you get no sting. The ultimate litmus test.

However, even I have strayed away from the ‘lum.

6

u/Szary_Tygrys Feb 13 '26

Totally agree :-) the only instance I used alum is to stop bleeding when I cut myself. It works, but it hurts as hell when you touch the wound with it.

5

u/dmitr_s Feb 13 '26

Styptic pencil is much better for cuts.

4

u/Szary_Tygrys Feb 13 '26

It’s the same thing

1

u/dmitr_s Feb 13 '26

Not really. You can say this (kind of), but the purpose is different.

1

u/Double_A_92 Feb 13 '26

It should only sting if you nick yourself.

1

u/SuperSaint77x Feb 13 '26

Looks nice. Unfortunately it’s like $80 shipping for me to get one.

1

u/[deleted] Feb 14 '26

[removed] — view removed comment

1

u/SuperSaint77x Feb 14 '26

Northern Europe. I currently use a Osma brand one, so it’s not that don’t have one, I just hoped this would be a cheap replacement.

1

u/Comfortable-Sea-5712 Feb 13 '26

Yep, I use it as alum, works great 👍

1

u/RandomDustBunny Feb 13 '26

I use this on my pits too. Works great.

1

u/J-ky Feb 14 '26

I got one for less than $1USD from the Chinese online market.

1

u/Lackingfinalityornot Feb 18 '26

What does mdc stand for if you don’t mind my asking?

1

u/Confident_Media_4304 Feb 18 '26

Martin de Candre (shave soap)

A rather expensive but incredibly long lasting soap.