Finasteride can regrow hair but may cause depression and suicidal thoughts in some users. The connection between finasteride and mental health issues is debated, with some attributing it to pre-existing conditions or stress.
Minoxidil's effectiveness varies due to differences in sulfotransferase enzyme levels in the scalp, affecting people with conditions like ASD, liver disease, and androgenic alopecia. Treatments like topical tretinoin, microneedling, and using minoxidil sulfate instead of regular minoxidil can improve results for those with low enzyme levels.
Stemoxydine's effects on hair growth are uncertain and not well-studied, with users reporting mixed results and concerns about maintaining gains. Some users combine it with 5AR inhibitors like Dutasteride, but results vary, and conditions like lichen planopilaris complicate treatment.
PP405 from Everychem is likely fake and potentially harmful, with concerns about its stability and the risk of using the wrong MPC inhibitor, which could damage hair follicles. The real PP405 was studied under strict conditions, and DIY attempts are discouraged due to unknown formulation and quality control.
Exosomes combined with fractional picosecond laser treatment were effective in treating androgenetic alopecia and promoting repigmentation in white hair patches. The role of exosomes in hair repigmentation, particularly in conditions like poliosis, is not well-studied.