People are discussing the use of topical melatonin for hair loss and how often it should be applied, with one person noting it makes them groggy in the morning. They are inquiring about others' application frequency.
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.
Dutasteride takes 1-3 months to affect scalp DHT levels, not just a week. The prostate absorbs Dutasteride faster than the scalp due to different vascular networks and enzyme densities.
Whether topical caffeine can be as effective for hair growth as minoxidil and finasteride, with various replies discussing the efficacy of these treatments and criticism of Dr. Huberman's research methods.