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• An Alum Block, also known as an Alum Stone or Alum Crystal, is a crystal-like stone that is moistened with water and gently rubbed over the shaved area to act as an antiseptic and to combat a number of post-shaving related skin problems including razor bum
• Generally, an alum block is used after shaving to soothe the skin, prevent the spread of bacteria, and reduce bleeding associated with minor nicks and cuts. It can also be used to prevent some of the more annoying side effects of shaving, such as razor bur