how long does melanotan 2 stay in body Understanding Injection Tan and Melanotan-2 10mg – Research Peptide
Description
Clinical trials demonstrated that MT-1, combined with UV-B light or sunlight, significantly increased tanning while reducing sunburn cells (1)

doi: 10.1046/j.0022-202x.2001.01469.x

West End Sutton, David L

This is another reason aliquoting into smaller vials makes sense for multi-week protocols
