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, Figure 4: Melanotic neuroectodermal tumor of infancy: a rare presentation of an extremely rare neoplasm and diagnostic implications in Gombe, Nigeria A clinicopathologic and immunohistochemical analysis of melanotic neuroectodermal tumor of infancy Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics What is Melanotan II the drug that the TGA urges consumers to avoid?