regular trims keep the hair from splitting to the root. it helps the hair look better and be in a more healthier state. if the hair is healthier, it want break as quick; therefore, it has a chance to grow longer. just as you would prune a plant so it can grow healthier & better!!!
there is a difference between a trim & a cut! the trim is for maintenance of the health of your hair so you can get more life out of it. the cut is for a particular style you desire. if the hair is trimmed regularly at the appropriate amount, you will start to see the difference 