Do not wear shoes that are too tight or too loose.Wear thick socks to absorb pressure, but do not wear tight socks or stockings.Apply petroleum jelly or lanolin hand cream to corns or calluses to soften them.Soak it in very warm water for five minutes or more to soften the hardened tissue, then gently sand it with a pumice stone. Several such treatments may be necessary. Do not trim corns or calluses with a razor blade or other sharp tool. If the cutting instrument is not sterile, infection can result.There are a number of over-the-counter pads, plasters, and medications for removing corns and calluses. These treatments commonly contain salicylic acid, which may cause irritations, burns, or infections that are more serious than the corn or callus. Use caution with these medications.These should not be used by a diabetic.Scholl corn removal plaster and liquids are available..But use with extreme caution..