The DSA Alum Crystal Stone is a 100% natural deodorant (and after shave soother - see NOTE below) that will keep you as fresh as an ocean breeze without sacrificing your health. It is great for people with allergies, sensitive skin or those who are seeking an effective, safe alternative to commercial antiperspirants and deodorants. The DSA Alum Crystal Stone is made from natural mineral salts and it is completely free of harmful chemicals, propellants, fragrances, oils or alcohol. Mineral salts are present in the water we drink, in almost all the foods we eat, and in the air we breathe. At the foundation of DSA Alum Crystal Stone is the natural mineral salt called 'Alum'. Mineral salts (Alum) should not be confused with Aluminum Chlorohydrate or Aluminum Zirconium which plug the pores so as to stop perspiration. The alum stone does not clog pores and does not cover up odors with a perfume. When applied to clean skin it leaves a tiny layer of mineral salts that has the unique ability to prevent bacteria from growing. The DSA Alum Crystal Stone is the most effective and economical deodorant that you will ever use. Will not irritate sensitive skin. It is just Pure & Natural. Try it on your feet too - it works miracles! Manufacturer's Use Directions: Slightly moisten the top of the stone and apply generously to clean skin. For best results use daily and apply just after bathing or showering. Stone is approximately 2" tall x 1-1/4" in diameter with rounded top for smooth application. Small size makes deodorant stone easy to pack for travel. NOTE: The DSA Alum Crystal Stone contains Potassium Alum (its sole ingredient), the same alum used in Alum Blocks, like Bloc Osma and RazoRock Alum Stick (DSA is same size and dimensions as RazoRock). Though labeled as a "Deodorant Stone" the DSA Alum Crystal Stone can be used not only as a deodorant, but also to stem bleeding from razor nicks, to sooth shaving irritation, and as an antieptic and astringent. 2.125oz/60g solid stick. $4.15