You probably know that you don’t need to shampoo everyday. Or that plucking a grey hair won't actually lead to two more growing in its place. But there is still a good amount of misinformation out there, floating around when it comes to mane maintenance that many of us still believe. If you're interested in having the best possible hair—and you are right?—then make sure you get the real story on these six popular myths. We've consulted the experts and the science to make sure you get your follicular facts straight.