OK, we know it's part of our jobs to share the latest shampoos, conditioners and styling tools with you. But with all of the options that are out there, you’ve got to be selective about deciding what’s worth splurging on, right? And who better to help us than a professional hairstylist? Jennifer Nast, a hairstylist at Sharon Dorram Color at Sally Hershberger in NYC shares the three things you don’t need in your beauty cabinet (and what you absolutely should have instead).