Owing to its natural astringent properties, this 100% natural Potassium Alum stone is an ideal post-shave companion to reduce redness, soothe, tone 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. • 100% natural Alum block • Cruelty-free and no ingredients of animal origin • Dermatalogically Tested • Made in China, from a solid block carved out of a Potassium Alum cave, not pressed