Hairline 5 Solution predominantly treats androgenetic alopecia, also known as male pattern baldness. Hairline 5 Solution predominantly treats androgenetic alopecia, also known as male pattern baldness. This medication falls within the group of peripheral vasodilators. In addition to controlling androgenetic alopecia, it can be used to treat hair loss caused by other conditions, such as telogen effluvium, which is temporary hair shedding. It has been shown to enhance hair development and minimize hair loss in people with these diseases.