Affordable 92-LED caps may be more effective for hair growth than expensive 270-laser caps due to higher power output and irradiance. The LED caps deliver more energy to the scalp, making them a cost-effective alternative for red light therapy.
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.