I sanitize a razor that is new to the den, whether it is used or new. Razors that I shave with get rinsed, the blade removed, and then I dry the razor. Also depending on the razor architecture (grooves and slots), I may use a soft toothbrush and dish soap. Some shave creams also will require a little dish soap to get the razor clean. On the weekends I spend about an hour with my collection to polish as needed including pointed Q-tips to get into the small spaces. On the weekend when I am polishing I have BST up and hope that there are no new posts for sale that interest me.