A natural paraben free product that has a styptic effect, closing the pores and offering post-shave comfort. Alum is the original antiseptic aftershave made with natural potassium alum. Reduces redness and razor burn. It can also encourage faster healing of any cuts caused by wet shaving by constricting blood vessels and tightening pores. Moisten the block with cold water to assist with closing pores, then rub on to the area requiring post-shave comfort. When applied properly, the block should simply glide over the skin with ease and leave it feeling soft and smooth. 54 grams.