All current information points in the direction of a valid somatic reason, and not the so-called placebo effect, the belief that the need for more frequent injections is in the mind
Pape J, Paraskevopoulos E, Bruchmann M, Wollbrink A, Rudack C, Pantev C
4.1.3 Ferritin Ferritin consists of heavy chain ferritin (FTH1) and light chain ferritin (FTL), and it primarily functions to store intracellular iron, preventing excessive accumulation of free iron and reducing cellular iron toxicity (Yuan et al., 2024)
If you're willing to evaluate the totality of the evidence strong mechanistic and in-vitro support, consistent animal data, positive human cosmetic studies, and a side-effect profile that is significantly cleaner than the prescription alternatives GHK-Cu is the most well-supported peptide approach to hair loss currently available
Other Peptides of Interest Cerebrolysin: The Most-Studied Cognitive PeptideYet Not FDA-Approved Cerebrolysin presents a regulatory paradox: it has more clinical trial data than any other cognitive peptide, is approved in over 50 countries, has been used clinically for decadesyet remains unavailable in the United States