That quick tan injection is NOT worth the risk., Melanotan peptide injections stimulate pigment cells, and its use has been linked to rapid changes in moles, including the potentially fatal skin PDF] Melanotan Induced Hyperpigmentation of Oral Soft Tissues Semantic Scholar Melanotan II Uncovered Your Essential Guide to Tanning, Libido Enhancement, and Smart Peptide Protocols: Proven Methods to Inject Safely, Monitor Melanotan is not a tan. It's an unregulated peptide with real risk. As a dermatologist, here's the reality: It has been linked to new and changing moles including cases of Melanotan II (Tan Jabs): Why They're Not Worth The Risk You Should Avoid Using Nasal Tanning Sprays