PP405 shows significantly better early-stage hair regrowth results compared to minoxidil and finasteride, with 31% of users experiencing over 20% density increase in 4–8 weeks. Minoxidil and finasteride show minimal or no visible regrowth in the same timeframe.
Peptides like TB500, KPV, GHK-CU, and BPC-157 are overhyped for hair growth with limited proven effectiveness in humans. Combining peptides with delivery methods like iontophoresis and sonophoresis shows promise, but many claims remain unproven.
A human trial of verteporfin, a potential treatment for hair loss, with some users noting potential improvements in scarring and overall healing compared to control areas.