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How to clean a rusty razor blade
Gather the required items.
You will need sea salt, white vinegar and an old toothbrush. The acidity of the white vinegar will help to remove the rust from your razor blade.
The sea salt will act as an abrasive ingredient that aids the vinegar in removing the rust. Regular table salt is fine to use, as well, but the sea salt provides a little more grit for the scrubbing.