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, Melanotic neuroectodermal tumor of infancy in an African indigenous patient from the Amazon: a case report springermedizin.de Melanotan Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically Figure 4: Melanotic neuroectodermal tumor of infancy: a rare presentation of an extremely rare neoplasm and diagnostic implications in Gombe, Nigeria