i dont know. i got the stem cell injection which takes a year before growth stops, but i have seen significant growth since starting the peptide. i know the stem cell helped, and i wouldnt know the copper peptide helps unless i see new growth after february. the argument against dht blocking is that alot of people dont go bald in highschool when dht is at an alltime high, and that the difference is that they can clear dht from the area with better circulation etc. the company i bought from is making bold claims that a person can ween off the dht blocking drugs with their product and theyre claming you have growth returning not just at the crown due to "reducing the hair follicles sensitivity to DHT, and cleaning up cellular disfunction, chronic inflammation, and oxidative stress, and poor blood flow."
there was a study in 2016:
Pattern hair loss is a very common problem. Although effective therapeutics for the treatment of pattern hair loss have been used, novel therapeutic modalities are still required to enhance hair growth. We investigated the efficacy and safety of a ...
pmc.ncbi.nlm.nih.gov