Microneedling's effectiveness for hair regrowth is debated, with mixed results from studies. Some believe it helps with blood flow and scalp health, while others see it as largely ineffective.
The conversation discusses why the difference between donor and balding hair isn't studied more to find a cure for hair loss. Treatments mentioned include Minoxidil, finasteride, and RU58841.
The user is concerned about hair loss despite using oral finasteride, oral minoxidil, and topical minoxidil. They are seeking advice on additional blood tests to identify potential causes.