Okay so this is what I’ve heard now from a few ppl is this back door pathway of dht and this almost has to be going on with me.. so someone explain what is the back door pathway and why is dutasteride only mentioned but not finasteride?? CuriousBut estrogen on hairline wont do anything. Like T and DHT are much more potent than estrogen, so they will bind to AR and keep doing its stuff cause u will have lot of androgen in your blood stream. The thing about systemic e2 is to nuke your androgen production so you wont have many androgens and estrogens can exert its effects. All that said some ppl keep losing hair on het due to backdoor dht so dutasteride is never a bad idea