07/20/2015 04:04 EDT | Updated 07/20/2015 04:59 EDT

WATCH: 5 Popular Beauty Myths Debunked

If you leave your hair unwashed for long enough it will just clean itself... right?

Wrong! This is just one of the popular beauty myths Krystin Goodwin of Buzz60 debunks in the video above. As Goodwin explains, hair becomes greasy because the scalp is covered in sebaceous glands that excrete an oil called sebum. If left unwashed, oil will continue to build up on your scalp and hair. So please, everyone, continue showering regularly.

Watch the video to learn four more myths surrounding oily skin, varicose veins, brushing hair and treating acne. And if you know additional truths behind beauty myths, let us know in the comments below.

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