Use the pearl-gray surface of the file for delicate nail filing. Use the purple side for the final treatment. With smooth, light movements (from the edge to the center), treat the nail with the purple side of the file to give it the desired shape, holding it at a 45° angle. Avoid intense filing of the nail's lateral parts at the border of the free edge and the nail bed to prevent cracks and delamination. For processing dense nails (men's manicure, pedicure), use the pearl-gray surface. To complete the procedure, sweep away the filing residues from the tip of the nail plate, holding the file perpendicular to the free edge of the nail.

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