Shaped like a small 5.8cm x 3.7cm brick. Potassium alum (or rock alum), thanks to its antibacterial, astringent and haemostatic properties, this stone is perfect for disinfecting and cauterizing the skin of the face immediately after shaving.
Osma Bloc d’alun 75gr. It is also excellent as a totally odourless underarm deodorant. (Can be used, for example, moistened immediately after showering).
100% potassium alum
