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, Watch Me Tan with Melanotan 2 MT2 Year 2 Results, Side Effects, & My Full Protocol 50 Weeks on Melanotan2. Used to be Type 1 and never able to tan. Have never felt better! Beard color change is epic : r Melanotan2 Figure 4 from Changes of melanocytic lesions inducedby Melanotan injections and sun bed use ina teenage patient with FAMMM syndrome Semantic Scholar Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report