Lesiones pigmentadas de origen melanoctico en las mucosas y su evaluacin mediante tcnicas no invasivas Melanotan II (MT II) Peptide Therapy Beverly Hills Leses pigmentadas da mucosa bucal um estudo retrospectivo In the 1990s, researchers at the University of Arizona were testing Melanotan II as a tanning agent. During clinical trials, they noticed something unexpected: the compound was causing spontaneous erections in male 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,