I have to walk around every day with safety shoes at work has partly hartnäkige cornea which strongly pushed while running has accumulated. At first I tried another product which was for nothing. After comparing widerholtem test I'm on the Scholl Velvet Smooth attention geworten and tested him ausfürkich. This has my disturbing corneal provide super removed. A seehr good price / performance ratio. Each time Empfelenswert!