Callus Terminator breaks down calluses in just 3 to 5 minutes. After soaking, bath or shower, liberally spread Callus Terminator over the callus. Let it set for 3 to 5 minutes, wipe excess away. Can be used with the Peel Away Callus Kit to remove stubborn callus and dry skin. Leaves feet soft and smooth. No cutting and saves time. Tingling frest peppermint fragrance. Salon professional formula. Comes in a 4 oz bottle