Mineralfile Special file for preventing the nails from splitting and ripping 1STK Color: Size: Art. No. Description Micro-fine crystals fill even tiniest cracks and grooves during filing and so prevent the nails from splitting. The file is long-lasting due to a minimum abrasion. Detailed information of the ingredients can be found here: ARTDECO makeup and ARTDECO care Application After filing nails, seal the tips of the nails with the mineral file. Can also be used in between, e. g. with small cracks in the nail tips, and to shape the nails gently. The file can be cleaned under running water.