melanotan subcutaneous Here's the part nobody explains when they're selling you the "Barbie drug." 2 is a synthetic peptide that mimics alpha-MSH — a hormone your body already makes to tell your Afamelanotide - Wikipedia
Description
Treatment of Stage II Melanoma Revised text about the results of a trial that randomly assigned patients with completely resected stage IIB or stage IIC melanoma to receive either pembrolizumab or placebo (cited Luke et al
[Abstract]2019 Dec;80(8):1040-1050

Instead, they regulate the expression of the gene, which means that they control how much of a protein is produced

amino acids are color coded: yellow for proline (P)
