What Is Styptic Powder? A styptic powder is a substance that causes bleeding to stop. One type is a styptic pencil. These are made from alum, most probably made from sulfate salts of potassium aluminum, though some are made from ammonium salts.

What is a substitute for styptic powder?

If you don't have styptic powder, dab the tip of the nail on a bar of soap or in a little flour or cornstarch. If the bleeding continues for more than several minutes, call your veterinarian.

Is styptic powder safe for humans?

This product is hazardous for humans when ingested. When used as directed it poses no hazard to humans.