December 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature”
The conclusion is that the dermal papilla is crucial for hair follicle regrowth, and hair follicles undergo significant structural changes in addition to cell division during regeneration.
GT20029 is a new hair loss treatment in Phase 3 trials in China, using PROTAC technology to target androgen receptors, potentially with fewer side effects than finasteride and minoxidil. VDPHL01, a second-generation minoxidil, is also mentioned as potentially more effective.
Microneedling may enhance hair regrowth by transferring stem cells to dormant follicles, improving the effects of minoxidil. Users discuss using microneedling with needle lengths around 1.5mm to stimulate hair growth.
The treatment for androgenetic alopecia involves using finasteride and minoxidil with intense exercise and cold exposure to boost metabolism and reduce androgenic effects, potentially leading to hair regrowth. This approach may activate biological pathways for improved hair and overall health.
Haircell therapy and follicle cloning are still in experimental stages, with treatments like hair multiplication and regenerative hair therapy being marketed but not yet proven to create unlimited new follicles. There is skepticism about the effectiveness and legitimacy of these treatments, with some considering them scams.