- Natural alum block
- Astringent & antibacterial
Osma Laboratories has been handcrafting alum blocks and natural cosmetics for over 50 years. With this unique expertise, they are producing exceptional grooming products, like their bestselling Bloc Osma Alum Block. A favorite with wet shavers the world over, this naturally occurring alum is handcrafted and polished in their French facility.
The Osma alum stone, with astringent and antibacterial properties, calms razor burn and limits irritations and bumps. Many users love the "feedback" where a swipe of alum on their face tells them how well they shaved. Excellent defense against razor burn and closes the pores. A small block lasts a long time, even with daily use.
Be aware that this product is fragile and will shatter if dropped. A little extra care and you can enjoy it's benefits for a long time to come. Made of 100% Natural Potassium Alum.
Made in France