If you want to have smoother, frizz-free hair, you must have heard of keratin hair care or Brazilian blowout. Basically the same thing, these softening hair treatments are known for their ability to keep hair looking straight, smooth and shiny for around 6 months. The only problem is that they are loaded with chemicals and ultimately have a bad reputation. For this very reason, beauty brands, knowing how beneficial keratin can be as a hair care ingredient, have started to formulate products with this ingredient. So do they really work? Discover more about keratin to answer your questions. What is keratin? Keratin is actually…