RU58841, a nonsteroidal anti-androgen, showed potential as a topical treatment for hair loss, increasing hair density, thickness, and length without systemic side effects in Stumptailed Macaques.
RU58841 is considered effective by some users, but finasteride and minoxidil are commonly used with varying dosages to manage side effects. Users report different experiences with treatments like pyrilutamide, fluridil, and RU58841, with some seeing results and others not.