







🧔 Elevate your shave game—because your face deserves the Gentleman Jon touch.
Gentleman Jon’s 3.7-ounce alum block is a premium, natural aftershave solution designed to soothe razor burn, stop bleeding from minor cuts, and tone skin. Crafted from 100% potassium alum, it offers antiseptic and astringent benefits in a long-lasting solid form. Packaged in a durable plastic case, it’s perfect for daily use and travel, making it an essential upgrade for any modern man’s grooming routine.








| ASIN | B00FA35K02 |
| Best Sellers Rank | #9,617 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #1 in Shaving Alum |
| Customer Reviews | 4.4 4.4 out of 5 stars (7,102) |
| Is Discontinued By Manufacturer | No |
| Item model number | 617395017744 |
| Manufacturer | Gentleman Jon |
| Product Dimensions | 2.75 x 2 x 1.15 inches; 3.7 ounces |
| UPC | 796433825678 767644749480 617395017744 |
S**.
Must-have for wetshaving, very soothing and lasts forever!
This stuff is great! I just recently started wetshaving with a double edge safety razor and at first I just used Witch Hazel and Clubman Pinaud aftershave lotion. I still use both of those but after being highly recommended to me by several people I picked this up as well. It is DEFINITELY worth it! Being a beginner I'm still learning the proper technique and I was getting some irritation and even some "razor bumps". The witch hazel and aftershave helped a bit, as well as some facial moisturizer, but adding the Alum block to my regiment helped a LOT today! I just received it and tried it after shaving today and instantly felt a difference. I was told it also lets you know how you are shaving, if you rub it on your face afterwards and you feel some slight burning it means you weren't using good technique and you should adjust your angle and pressure. I did pretty well today with my DE razor and didn't feel any burning so that's good! I did have one small nick on my chin and it stopped the bleeding instantly. Before I recieved this the past couple shaves left my face very irritated and dry, even some dry skin peeling off in places. It's now been about 7 hours since my last shave using this and my face feels super soft and smooth with zero irritation. I'm sold! Everything I was told about this stuff is true so far, it is great! Just wet the block and rub it on your face, it soothes the razor burn and will stop any bleeding almost instantly in case you nicked yourself. I have a Clubman styptic pencil as well for cuts but this stuff works just as well and doesn't burn quite as much, plus you can use this stuff all over your face instead of just for cuts/nicks. The styptic pencil is also white and leaves a white residue on your face while this is clear and not noticeable. From what I've read these things last for YEARS. You just rub the block and barely use any, so paying the $8 is a good investment. There was a slightly cheaper and smaller block here on Amazon but it did not have a case. I'm kind of a neat freak and I like everything organized so the case is totally worth it! The Razorock brand Alum block has a case as well but it is more expensive and is only 3.2oz vs the 3.7oz this one is. Based on my research this is the best deal here on Amazon for an Alum block with case, plus the Gentleman Jon artwork/logo is really cool! I'm a huge fan of the vintage/retro styling. I've also read some people use this as a natural deodorant, I may try that in the future because I'm trying to be healthier and reduce the amount of chemicals in products I use. Since I'm using this one on my face though I'm gonna have to get a second one for that purpose, I wouldn't want to use this on my armpits and then on my face hah! TL;DR: Great quality, great case, great results, great value. If you get skin irritation from shaving, start using this after shaving!
C**M
Works great, lasts long.
I'm a wet shaver and this works perfectly as my post-shave step to tighten my face and smooth everything out. The block stays nice and smooth and it lasts a good long while. This is a good value.
I**D
An Alum Block is a MUST after a close shave! This is a GREAT Choice!
My dad always used a styptic pencil for a cut when shaving but I never knew anything about an Alum Block until reading and researching more about the art of a great shave. I find this Gentleman Jon 3.7 Ounce Alum Block a must after every shave. No the alum block is not the exact same as a styptic pencil but in my case I like it better as it will heal a small cut and you can feel it tighten the skin on my face. It's a perfect ending for a perfect shave. I use this block in conjunction or just prior to good after shave and then some talc but I find this alum block will replace a aftershave if in a hurry. I love the included plastic case as an alum block needs protection as a drop in the shower without a case will shatter the block. After embracing the true art of a great close shave, I find this Alum Block is one of THE most important parts of that great shave. experience. Tightens, soothes the skin on my face and head and is almost magical in what it does. Makes me wonder why I never knew anything about a Alum Block and you don't see this product on the shelf in the shave section of those big box stores as this thing is a MUST have for the perfect shave!
C**.
Good for stopping minor bleeds, but crumbly texture
The alum block works well for stopping a minor bleed. It can crumble if it gets wet, so handle it with care. I bought this block in the hopes that it might work as a deodorant crystal in the same way that I've done with another brand's alum block in the past, but it didn't work at all for that. Given that it wasn't meant for that purpose, I can't fault it for not working in that way.
A**E
Great and refreshing way to finish your shaving routine
I am fairly new to wet shaving with double edged safety razors. I recently decided to up my game and bought a number of new items to add to my shaving routine; this was one of them. Along with a decent safety razor, shaving brush, shaving cream, and a bowl for building lather, this product complements it all perfectly. I tried this product for the first time today after a two pass shave with a Merkur safety razor and Proraso rinfrescante shaving cream. I could feel it working and absorbing into my skin. I had some minor irritation on my neck from shaving against the grain, but using this block soothed the burning immediately. I also had one small nick which the block took care of too. I originally thought this product wouldn’t be of much use to me. I would normally just rinse with water and apply aftershave. I’m glad I bought his product and will continue to use it every time I shave. It’s a really nice way to finish off a close shave and it feels good too.
D**S
Great Plastic Case
This is a great alum block that can really reduce razor burn. The block itself is a little rougher than others that I have used, but it still works great. What I really like is the plastic case that it comes in to protect the block when traveling. I have had other alum blocks break or come with brittle hard plastic cases. The protective plastic case which the Gentleman Jon comes in is flexible but durable and a lifesaver.
M**S
😍
This alum block is excellent quality and very effective after shaving. It helps calm irritation and leaves the skin feeling smooth and refreshed. The plastic case makes it easy to store and travel with, keeping it clean and protected. Definitely a great buy for anyone who shaves regularly.”
S**M
How this product get 5 stars reviews I can't even begin to guess. Firstly, this "Alum Block" is not a true cut alum but one that is reconstituted from alum dust / bits / waste from the process of making true Cut Alum Blocks. This should have been stated in the product description. Secondly, whatever process the brand used, it was shoddy. I received my purchase with a good portion of the block broken and crumbled into bits, powdered. Not only did I lost about ¼ of the block, powered, (first picture, the one with the Gentleman Jon Box) the block looked like it was compressed poorly. with the core much more loosely packed than the edge. Had mine didn't break apart, I would have been able to use this block for a while until I hit that loose core in a few months or so, and the block will start to crumble. To be clear, (last picture with an actual cut alum block) a proper alum block, that I had dropped and while it chipped, it didn't crumble but smoothed out to a glass like block after some use. (I had it for over 2 years now) The Gentleman Jon's that I received, didn't even survived shipping, and now that the loose core is exposed, probably will not last too long with use. This is a very poorly and shoddily made product. I do not recommend anyone buying this. Go buy an Osma block instead.
S**S
Funciona muito bem
T**C
Good quality alum bar. Works really well. Nice sturdy storage box is handy. Will buy again
G**Y
A must after a good, close shave. Wouldn't be without. Sanitizes and helps stop and leakers. Comes with a plastic, reusable box so it is easy to store. A product that I will be returning to in the future.
A**J
broken plastic case
Trustpilot
1 month ago
2 months ago