Difference Between Melanotan 1 And Melanotan 2 Comparing Melanotan 1 and Melanotan 2: Which is Better? TikTok Melanotan 1 vs 2: Safety vs Potency (2026) The Peptide Catalog When it comes to tanning peptides, there are two main options: Melanotan 1 and Melanotan 2. Melanotan 1, also called afamelanotide, is FDA approved for a rare light sensitivity condition and works Peptides for tanning do exist. Melanotan 1 and Melanotan 2 both work at increasing melanin in the skin. Melanotan 1 takes longer to activate. Melnotan 1 is FDA approved. Melanotan 2 does libido,