From women who insist on washing their hair every night to those who are immersing themselves in the “no-shampoo” or “co-washing” movements, who wins out? With numerous hair washing trends emerging and “How often should I wash my hair?” being one of Google’s top 10 beauty searches for 2014, we’ve turned to NYC-dermatologist, Dr. Marnie Nussbaumand celebrity hair stylist, Naté Bova to save you (and ... Read the Post