Cosmetic chemist and author Perry Romanowski tells Allure the primary benefit of a conditioner is that it makes the hair much easier to comb through.........I agree! Five of my Favorite Conditioners... Regular hair conditioners are meant to be used for a shorter period of application, meaning that they’re faster and easier to use than hair masks and leave-in conditioners. They also contain emollients and special ingredients like natural oils that target specific hair needs. F