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Alum/Phitkari (پھٹکری ) also known as Aluminum Potassium Sulfate. has been used since ancient times for it’s many wonderful uses. There are many types of alum, potassium alum is the one which is commonly used. It is found in the form of fine powder or in blocks. Alum is very popularly used around the world for shaving and water purification.It is widely used in water purification treatment.Alum powder is used for treating pimples, acne marks, acne scars.