When it comes to how much of what product you should be putting on your hair, one size doesn’t fit all. Are you scrimping on the shampoo, clogging your hair with conditioner or maxing out on mousse? Is there such a thing as too much? It’s often a guessing game, but fear not, Chad Maxwell to the rescue! When Chad’s not backstage at Fashion Week or on a photoshoot, he’s helping the lovely ladies of Cambridge with their hair woes at Elajé Hair & Beauty. Here, he sets the record straight on the correct serving sizes for all your hair product essentials using the small change in our purses!