5 Best Alum Blocks - Feb. 2023

All-natural product that soothes irritated skin and closes nicks from shaving.

Provides a good value per ounce, as you’ll receive two alum blocks in one order. Versatile product that’s a good choice for toning the skin or serving as a deodorant. Works best as a pre-shave application for electric shaving or as a post-shave application for mechanical shaving. Sourced from France for a high level of quality.

3.7 oz. Alum Block in Plastic Case

Five-plus ounces of product may be more than some people need.

Best Bang for the Buck

Gentleman Jon

Desirable price per ounce for a product that ships inside a plastic case to provide a good value.

Gives your irritated skin a soothing feeling after a shave. Helps to quickly heal nicks from shaving. Block is a little larger than some other brands, giving you a longer-lasting product. Corners and edges won’t break off if you keep it in the protective case. Tones the skin without causing pores to clog.

Razor's Large Alum Block with Travel Case

Texture is odd, as it seems softer than some other alum blocks.

Parker Safety

One of the larger alum block products you’ll find, so it should last a long time, even in a busy home.

Ships inside a plastic case, which will prevent the corners and edges from cracking. Works perfectly after a shave to cool irritated skin and to close any minor nicks. Uses only pure potash alum with no added chemicals. Works nicely for men or women after shaving. Reasonable price per ounce.

Plastic case may crack if it’s placed under stress.

B.I.G. Beard Balm

3.52 Oz. Large Alum Rock

Perfect product to reduce skin irritation after shaving and to tighten pores in the skin.

Quickly closes nicks from shaving. Ships inside a hard container to prevent the alum block from cracking. Reasonable price per ounce. Includes an option to download an e-book with shaving advice and tips. Works nicely for women or men after a shave. Doesn’t cause unwanted reactions with other grooming products.

This alum block may absorb some unwanted odors over time.

Doesn’t ship as a formed rectangular block, so it’s offered at a very low price per ounce.

Some people find the small chunks of alum block in this product to be easier to hold and use than a large block. Good value for those who don’t want a rectangular block. Consists of ammonium alum, which means it works better as an anti-perspirant than as a product to help with skin suffering from razor burn.