WHAT TO CONSIDER BEFORE YOU BUY Before you buy Hairprint, we have pulled the FAQ’s we feel are important to make an informed decision. WHICH APPLICATION IS BEST FOR ME Evaluate which is the best application method you will use. APPLICATION METHODSDepending on how grey you are and what kind of coverage you want different application methods to apply. HOW TO USE HAIRPRINT Hairprint is easy to use, dive into the first application. Each application thereafter gets easier and quicker.