Swacch Alum Powder is a wonderful Powder when it comes to skin tightening. You will feel it by yourself when you use it. In India women have been using Fitkari for face skin tightening and lifting since ages before western world flooded Indian market with chemical packed plastic tubes aka cosmetics. Men who use phitkari as aftershave gets their face tightened automatically.Alum powder is also use to purify water.