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, Melanotan II Safety: Tanning Injection LIVV Natural Lesiones pigmentadas PPTX Sndrome de Laugier Hunziker: reporte de seis casos e importancia del diagnstico diferencial Ciencias Clnicas Melanotan II (Tan Jabs): Why They're Not Worth The Risk Lesiones Pigmentadas Patologia Oral, General, Bioestadstica, Metodologa de la Investigacin