Amazon has launched a beauty store for professionals, disrupting traditional aisles. It will offer supplies for stylists, barbers, and beauticians, that are usually found in salons or spas. Amazon says this will let the professionals find what they need online, while freeing up more time to focus on their businesses. Shares of beauty retailers Ulta and Sally fell on the news. Max Wolff, Managing Partner at Multivariate, spoke with Cheddar about Amazon's move into niche markets.