It is a gel product suitable for removing calluses in pedicure and podiatry services. For professionals who choose not to use blades in pedicure services or when a client or patient has diabetes or other health problems where blades cannot be used. This product is applied with a disposable wooden spatula to the area of the feet to be treated and left on for 8 to 10 minutes. After this time, check to see if the calluses have softened. If so, remove the gel with lukewarm water and then completely scrape off the softened callus with the side of a No. 3 gouge. If you are satisfied, then finish by sanding the skin with a fine callus file so that the skin is smooth and soft before applying a suitable pedicure cream. Professional callus remover. You shouldn't put callus remover gel on the calluses on your feet and then put your feet in the basin of water, for the following reasons: 1 - it cuts the effect of the concentration of the product; 2 - the product can spread to an unwanted and reactive area on the skin. Mossi Epil.