Melanotan What It Is and Its Relation to Skin Cancer 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 Can You Take Too Much Melanotan? A Z Guide Melanotan 2 Complete Guide and Safety Information Melanotan 1 for Sale Fast and Secure Delivery 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 slower