Since you are here, you are most likely shopping to build a functionally reliable hair cutting scissors kit. Therefore, you need to consider a couple of things first. They include the blade length/design, finger hole design, screw adjustability, and maintenance demands.
To achieve your desired level of control with your hair cutting scissors, you must be intentional about the type of scissors you purchase. Fortunately, you will find hair cutting scissors from major and minor brands here. All of which are reputable for quality blades and premium workmanship.