For a long time, only barbers controlled the method of shaving, without irritation, or blood. The perfection and quality of shaving were and are still their greatest concern.

And since the beginning of the history of barbers with the XIV 2nd century, they knew and used the alum stone which they slowly passed on the face to soften and alleviate the skin after shaving.

Being of mineral origin, the alum stone has many qualities. It is lenitive, hydrating, astringent and non-allergic. The alum stone enables you to reach, at ome, the quality of shaving of the best barbers.

The round alum stone of OSMA laboratories is also used before electric shaving, so as to prepare the hair for the passage of the razor. Its use brings an unequalled comfort.