This post may contain affiliate links. This means we may earn a small commission if you purchase using a link we share. We all have days when it seems like no matter what you do, washing your hair just never gets done. No matter if it’s because you’ve overslept or you’re simply trying to stretch your blowout a bit longer. Dry shampoo is now the one product everyone needs all the time. As someone who is constantly on the go and completely obsessed with hair care, I keep dry shampoo within arm’s reach. But after years of dealing with white cast, scalp buildup, and overwhelming chemical smells, I’ve come to…