Melanotan 2 BleauGenics Peptides Buy Melanotan 1 Melanotan 2 Peptide UK PharmaLab Melanotan 1 vs Melanotan 2 Melanotan 1 (10 MG) Sigma Compounds Comparing Melanotan 1 and Melanotan 2 Peptides Core Peptides 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