Hair DENSITY Total T freeT DHT. Male?

Note (please don't talk about lifestyle diet genetic hair loss   hair care and thyroid sleep 8hours stress protein vitamin supplement like biotin natural remedies like onion juice and also not hairfall or hairloss ) iam asking about HAIR DENSITY not hair fall) Optimal level of  Testosterone(Total+free) dihydrotestosterone  ( reference range please for male)   it does affect hair density Why no one take Dihydrotestosterone test? It hair density of male and female differs because of dihydrotestosterone why no one mentioning it? Hair density can be improve by taking improving or reducing dihydrotestosterone (what are the medication to improve or decrease DHT Not a natural one? ) what levels it should be for men ? What other harmones to check for male for hair density???(dihydrotestosterone total free testosterone What's the optimal level of dihydrotestosterone for male???