Razor Blades Curbside Trash Store and Dispose of Blades With Care Whether the razor blade is a shaving razor, safety razor, hobby knife or utility knife, blades must be stored and disposed of with care. Wrap in tape, paper or place in a sharps container and dispose of in the garbage or at a sharps collection location. Dispose of Handles Separately Save handles for reuse. If handles must be disposed of, metal handles can be disposed of as scrap metal. Plastic handles should be put in the garbage. Ways to Reduce Sharpen Blades Periodically Instead of just tossing safety razor blades when they get dull, take a few minutes to sharpen them. Each blade will last a lot longer.