Osma Alum Block, 75g

Osma Alum Block, 75g

Osma Alum Block, 75g

Regular price $19.95 Sale price $13.95
  • Free shipping over $60*
  • Official Australian stockist
  • Free samples with orders
  • In stock, ready to ship
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Alum is a natural mineral revered for its ability to soothe shaving irritation and stop nicks and cuts from bleeding. A single Osma Rasage alum block lasts for months and should be part of every wet shaver's kit. Can also be used as an astringent for those with normal to oily skin. 100% pure Alum.
  • Aftershave block.
  • Can also be used to stop nicks and cuts from bleeding.
  • Dimensions: 35mm x 55mm x 20mm.
  • Made in France.

Moisten block and gently rub over freshly shaven skin to soothe irritation. Can also be applied to nicks and cuts to stop bleeding.

Potassium Alum.

Customer Reviews

Based on 45 reviews
Great alum block

I used cheaper alum blocks and they seem to leave crumbles on the skin, this is a very hard block that lasts a long time and leaves a smooth film

Wish I'd known about this before

Brilliant product and a must-have for all shavers. It helps stop nicks but really calms the skin down after a shave (I use it after my head shave). Lasts a long time too so great for the price. Completely natural too.

Essential part of a wet shave

If razor burn is a problem for you - it was for me - this is highly recommended. Sharp without stinging, application right after the shave and prior to any moisturiser really helps is reducing the redness. Can go a ways to stopping some small nicks, too.

Long lasting, not cheap

I have no idea if this is effective or not, but it's been part of my routine since I started wet shaving. It's expensive, but it lasts a long time. I haven't had one crumble on me yet which I've read can be an issue with other brands.


This product is fantastic. It's a must-have product for wet shaving and will last a long time.