Laboratoires Osma

Laboratoires Osma is a pioneer of natural cosmetics and the last French alum stone manufacturer since 1957 offering high quality products with one of the purest alum crystals in the world. 

The production of Laboratoires Osma is based in Craponne in France. They only use 100 % natural alum. Osma is the first company in the world to have both raw material and finished alum stones certified by Cosmos Nat.

Alum stone has got astringent and antibacterial properties and this natural after shave will amaze you by its efficiency.