Scalp biopsies are crucial for diagnosing hair loss conditions like Diffuse Unpatterned Alopecia (DUPA) and retrograde hair loss, as treatments like finasteride and dutasteride may not be effective if other conditions are present. Combining PPAR-GAMMA agonists with retinoids could improve treatments for conditions like Lichen Planopilaris.
Higher doses of dutasteride for hair loss are debated, with some users suggesting they are unnecessary and potentially unsafe. The original poster uses a combination of dutasteride, minoxidil, and RU58841 for hair regrowth, despite concerns about high dosages.
A dermatologist advised a patient to stop taking finasteride (fin) after turning 40 due to potential risk of aggressive prostate cancer. The patient and others in the conversation debated this advice, discussing the relationship between finasteride, prostate cancer, and hair loss, and considering alternatives like topical finasteride.