Look into Nizoral shampoo and get some rogian. Do a search in the AR Spa, there is a lot of talk in there about thinning hair and what helps.
My moms dad had a FULL head of hair into his 70s. My dad was mostly bad before 30. I'm almost 50 (way to soon) and the front is defiantly receding but I dont have the top/crown balding like my dad.