This thermashape hot flex spray is a medium hold prep spray for heat styling it is ideal for curl creation especially in straight hair and creates defined hot iron curls to use spray into towel dried hair blow dry and shape with hot tools trifinity technology ensures youll get the most out of start style and finish so you can create an infinite number of style equations all kms products are multi compatible they work best when used as a 3 step regimen together and each step benefits