Many researchers use GHK-Cu topicals in the evening and other actives in the morning
PT-141 10mg PT-141 (Bremelanotide) is a synthetic peptide analog of alpha-melanocyte stimulating hormone
Reactions that warrant attention include persistent swelling or redness lasting more than 24 hours, significant pain beyond the initial injection moment, the development of hard nodules that do not resolve within a day or two, fever or systemic symptoms following injection, or any sign of infection at the injection site including warmth, pus, or spreading redness
Exp Neurol 237:147152 Henkel JS, Beers DR, Sikls L et al (2006) The chemokine MCP-1 and the dendritic and myeloid cells it attracts are increased in the mSOD1 mouse model of ALS
However, this area remains under-researched, highlighting the need for further studies