A recent article caught our attention when the headline made the bold claim that brushing your hair is the "easiest trick to make your hair grow." Really? That's all it takes— brushing your hair ? According to a writer at Cosmopolitan UK , yep. This woman (who had previously embarked on an adventure in which she stopped shampooing her hair) wanted to test a theory she'd heard claiming that brushing your hair with a certain kind of brush and in a certain way will cause your hair to grow at a faster rate. "Regular,