There are several benefits to wearing a short haircut on a grandma, and most of these can be achieved by making your hair look as natural and beautiful as possible. A short haircut makes your face look longer, and it also gives you the appearance of having a rectangular face. To find the right haircut for your grandma, you should look at the pictures of short haircuts on grandmothers. A single bang can be the perfect solution for breaking your hair in a flattering way..