Why TikTokers are finding rusty razor blades behind bathroom mirrors

razor blade slot Simply push your used razor blades into the slot razor blades into slots in the back of medicine cabinets was ever a thing:

My bathroom in our 1950's ranch house has the original medicine cabinet with the slot for disposing of used razor blades

razor slot in medicine cabinet Old medicine cabinets include a small slot in the back for old razor blades We found these blades when Dad removed the old cabinet

razor shark slot uk We still have the original medicine cabinet in one of our bathrooms, it has a little slot for the razor blades Our wall is probably full!