Owing to its natural astringent properties, this 100% Potassium Alum stone is an ideal post-shave companion to reduce redness, soothe, seal and disinfect the skin, and work as a styptic to help stop the bleeding of small cuts or nicks. The hallmark of a professional shave. Made from 100% natural Potassium Alum Soothes redness and irritation from shaving Styptic qualities of the natural astringent stop bleeding from small cuts Tones and tightens the skin May also be used as a natural deodorant 3.5 oz / 100 g