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.
A woman experiencing hair loss and facial hair growth suspects PCOS or androgenic alopecia and is considering treatments like Rogaine, but is concerned about the cost. She has tried various hair care methods and is awaiting a hormone doctor appointment, while others suggest she may have a hormonal imbalance and recommend seeing a gynecologist or trying cheaper versions of Rogaine.