Melanotan II is one of the most widely discussed peptides in aesthetic focused conversations. Originally researched for its interaction with melanocortin pathways, it later became widely known for discussions surrounding pigmentation, tanning response, Pyoderma Gangrenosum Secondary to Melanotan Cureus Melanotan 1 and Melanotan 2 are peptides that boost melanin to darken your skin without the sun. Melanotan 1 is FDA approved for rare light sensitivity conditions and gives a more gradual and even tan Melanotan 2 Guide for Deeper and Consistent Tanning