Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report Melanotan II Safety: Tanning Injection LIVV Natural Melanotan peptide might seem like the cool thing to doit makes you look tan., But these unregulated injections come with real risks., They can cause unpredictable skin changes, including darkening of Melanotan Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically Melanotan What It Is and Its Relation to Skin Cancer You Should Avoid Using Nasal Tanning Sprays