Sometimes a shampoo and blow dry just isn’t in the cards. When your hair has that not-so-fresh feeling, it’s actually perfect for styling. Clean hair is difficult to work with; silky locks resist shaping and slip right out of pins. The second or third day grit gives hair the texture it needs to be easily braided, twisted, tied back, or pinned up. Armed with a few quick and easy hairstyling ideas, dirty hair is a blessing in disguise.