Placebo hair regrowth might be influenced by propylene glycol in lotions or participants lying about using other treatments like minoxidil, finasteride, or microneedling. Being part of a study can also improve hair health due to lifestyle changes.
PP405 shows promise in regenerating hair by activating dormant follicles. Other treatments like VDPHL01 and Breezula are also advancing, providing new hope for hair loss solutions.