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It's so simple. In fact, all you need to recreate the hack is a lint roller. You can watch the clip below:
In the TikTok video, social media user Andrea Lopez explained: "Ladies, if you want to find out if your man is cheating on you get yourself one of these and roll it all over their carpet like this."
And after using the lint roller across the entire carpet, Andrea held it up to the camera where it appeared to show strand upon strand of red hair!
"What the f***k," said Andrea, who has black hair. Captioning the video, she added: "He has some explaining to do".
In a follow up video, Andrea then bursts into the bathroom to confront her boyfriend.
"Isaac, why the f*** was there red hair in your room?"
Ever since Andrea posted the video, followers have found it hilarious, with one commenting: "I guess everyone is single after this, huh?"
While another said: "Why didn't I think of this before?"
Meanwhile, another suggested using on a bed or sofa, if you don't actually have a carpet in your home.
Of course, many followers pointed out that the hair could belong to a relative, or someone who might have very innocently visited the house. Meanwhile, others suggested it could be pet hair.
Some also pointed out the trick wouldn't work if the other person had the same colour hair.
One person later joked: "Lint rollers gonna be harder to get than toilet paper during COVID."
And if you don't fancy using the trick to see if your partner is cheating, one person suggested using it after hoovering the carpet to make it extra clean!
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