Probably u r turning bald,... Please send photos  of the affected part for accurate diagnosis and treatment.. Consult on  private chat or meet me in my clinic for detailed information and prescription.

From your explanation what I could say that you may facing Male pattern baldness (androgenic alopecia),It can be genetics, or having a family history of baldness and also can be associated with male sex hormones called androgens. The androgens have many functions including regulating hair growth,so we do have to treat exact cause ,you may can share with me pics of affected area and consult me through online or via clinic, Thank you DrShuhaibMP(Pune)