User experienced scalp itching and hair loss, but found relief with oral minoxidil. Others suggest "DHT itch" as a possible cause and recommend finasteride and ketoconazole to address it.
Age-linked hair loss is linked to disappearing collagen. Treatments discussed include minoxidil, finasteride, RU58841, tretinoin, microneedling, and collagen supplements.
The conversation provides advice on using derma rollers, stamps, and pens for hair loss, detailing types, usage, cleaning, depth, frequency, and caution with topicals like minoxidil. The user plans to replace a roller with a pen for better accuracy and safety, and uses a castor oil/rosemary oil mix post-needling.