AnNafi® Alum Stone Block | White Alum Crystal Rock | Phitkari Crystal Stone of Alumbre | Natural Piedra de Alumbre Alum Stone | Shaving Stone Chunks | Tawas Stone Antiperspirant 450 Grams (16 OZ)

An Alum stone is a natural stone that is moistened with cold water and gently rubbed over the shaved area to act as an antiseptic and to combat razor burn.

It can also help to stop bleeding from small nicks and cuts and is also used as a natural deodorant.