Sexual Steroid Regulation of Spermatogenesis: New Actors Enter the Stage

The conversation discusses using estradiol and its derivatives for hair loss without causing feminization. Users mention alternatives like alfatradiol, topical 17b-Estradiol, and DIM (Diindolylmethane).

The conversation discusses using estradiol mesotherapy to replicate hormone replacement therapy results while minimizing systemic exposure. It also covers the use of Spironolactone cream, which reportedly has no systemic side effects, and the potential risks of using bicalutamide and Spironolactone in men.

Finasteride and its effects on hair loss, with discussions on the role of estradiol and estrogen. Users debate whether increased estrogen from DHT blockers contributes to hair regrowth, with concerns about potential side effects like chemical castration.

Finasteride has no effect on the user's estradiol levels, and body fat may influence aromatization. The user is on testosterone replacement therapy and uses everyday injections to manage high RBC count, with plans to measure DHT, DHEA-S, and pregnenolone levels.

The conversation discusses the mechanism of action of alfatradiol (17 alpha estradiol) in treating hair loss. It explores theories that it either inhibits 5 alpha reductase to prevent T->DHT conversion or aromatizes scalp T into 17-alpha-estradiol to save hair.

Topical estradiol may help with hair loss but can have systemic effects, like reduced testosterone production. Using estrogen blockers can have negative side effects, such as joint pain and reduced sex drive.