Can I use the EverAfterShave protector on my existing blade that already has been used?
For best results, we recommend starting with a brand new razor head. Any razor head used prior to applying the EverAfterShave protector will have started to corrode. The EverAfterShave protector will virtually stop the corrosion process but cannot reverse it and as a result, you might not achieve the advertised one full year of sharp shaves.