What makes this a 2-in1? I'm glad you asked. Not only can you use this product as a hot tool spray, but also as a finishing spray. To use it for heat styling, just section your hair and spray on, then use your hot tool to create the style you want. It will hold the shape and last up to 72 hours. It even reduces breakage up to 50%. Once you are done, you can spray it all over for added shine, hold and fly-away reduction.