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Let's be real: Using a dirty hair brush on freshly washed tresses is gross. Aside from risking an infection, you're also "redepositing all that buildup back onto the strands and scalp, making your hair look greasier," according to a Good Housekeeping UK feature.

So here's a short tutorial by Cosmo.ph on how to make your brush look as good as new—it's so easy, you totally have no excuse if you don't do it!

VIDEO PRODUCED BY: Tisha Caedo, Ira Nopuente

VIDEO SHOT BY: Erika Dupali, Coleen Oliva

VIDEO EDITED BY: Jean Saturnino

MAKEUP: Sassa Carlos

HAIR: Martin Alonzo

MODEL: Lou Ferrer, Gabbie Abesamis

This story originally appeared on Cosmo.ph.

* Minor edits have been made by the Femalenetwork.com editors.