A viral TikTok posted by @unitfour4of her washing ordinary hairbrushes shook everyone to their core (viaTikTok).

It’s made thousands of users wonder if theyhave to reallywashtheir hairbrushes frequently.

Here’s what the experts had to say about the nationwide panic.

Wooden hair brush with pink background

“It is as if you are recontaminating the environment that was just cleansed.”

Woman brushing wet hair