Y SPORT Helmet Fresh freshener reliably cleans safety helmets from inside as well as outside. It will not damage the sensitive material ans has an odor neutralising effect. Instructions for use: Shake before use. Use a cloth to apply foam to helmet padding, allow to penetrate for a few minutes and then rub with a dry cloth. Allow enough time for the damp padding to dry properly before use. In the case of really persistent dirt, simply repeat the procedure. Safe for ALL Riding Helmets, Motorcycle Helmets, Crash Helmets, Cycling Helmets or Ski Helmets.