Functoin:

Both Melanotan-1 and Melanotan 2 are analogs of the peptide hormone alpha-melanocyte stimulating hormone (α -MSH) that tend to induce skin tanning.Unlike Melanotan 1,Melanotan 2 has been shown to have aphrodisiac properties,the additional effect of increasing libido.Melanotan-1 is a non selective agonist of the melanocortin receptors (MC1R,MC3-5R).As an analogue of α -MSH,its mechanism of action is biomimicry of the natural mammalian tanning process.