Bio Sana BIO SANA Natural Line callus file maple wood natural

The popular cornea file is now available in different wood variants, mostly handmade. The wood from cultivated forests, is very stable and retains its shape, is varnished with a water-based varnish and offers optimal protection against water and alcoholic substances. Do not place the file in water or in an alcoholic solution, just dip it briefly. The different abrasive foils, 60 and 100 grit, are antimicrobial, Sanitized treated. This protects permanently against microbial attack. The development of unpleasant odours and the destruction of the material are permanently prevented.