The about male pattern baldness is the fact that even though hair follicles shrink, they do not die. This implies that growth is possible, according to the nih. Hairline 5% is an over-the-counter liquid or foam for the treatment of male-pattern baldness. Hairline solution is rubbed into the scalp twice a day to help stimulate hair and stop additional loss. You may need to use hairline solution for at least three months before hair starts to appear. hair may be shorter and thinner, but it may adequately cover bald and blend with your existing hair.