How to Give Yourself a Subcutaneous Injection Using a Prefilled Syringe Memorial Sloan Kettering Cancer Center Can You Use Melanotan Long Term? Melanotan II: Tanning injections, nasal sprays harmful to health What Is Melanotan, the So Called Barbie Peptide? PS Beauty How Tanning Injections Work [Print Article] All Things Tanning For Tan Fans! People are injecting a tanning peptide to get darker skin without the sun., Its called Melanotan., It works by stimulating melanin production in the body but regulators have raised serious safety