Confused TikTokers are finding rusty razor blades behind their mirrors

There’s no denying that old homes have their own set of quirks. It comes with the territory of purchasing a home built decades prior. However, finding razor blades in the wall of your bathroom? That just sounds like a scene out of Freddy Kruger film.

But that is exactly what a few TikTok users are claiming, after posting videos of themselves unearthing old razor blades in the walls of their bathrooms. According to Reader’s Digest, the old razor blades are the result of small slots in certain medicine cabinets found in homes built before the 1970s.

Disposable blades were the norm before mass-produced plastic alternatives, and the slots were meant for people to “dispose” of the used blades.

User @carlyknight, who goes by Carly Knight on the app, was the first individual on TikTok to post about the strange discovery. After Knight posted a tour of her 1950s-era home, one user commented that she probably had a razor slot in her bathroom.

Sure enough, when Knight went to check, she discovered a small slot labeled: “Used razor blade disposal,” within her medicine cabinet.

“I searched the bathroom walls for holes, didn’t find anything,” Knight commented in her video, which garnered 3.8 million views. “So I went by the sink and started yanking at the mirrors to see if maybe there was a section we hadn’t yet discovered, and sure enough, there’s a hole in the wall for used razor blades.”

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After Knight posted her video to TikTok, people immediately began documenting their own discoveries of razor slots in homes built in the 1920s to the mid-1970s. User @noah_quay, even removed the cabinets in his bathroom to uncover dozens of used razors. 

When safety razors became a common choice for household use, homeowners were faced with the challenge of how to dispose of the blades. Because disposing of them in the trash had safety issues, and the blades couldn’t be burned, homes began featuring razor blade slots as a solution to dispose of them.