Is this injectable tanning drug safe to use? Amazon.com: Melanotan 2 Tanning Peptide Eruptive naevi and darkening of preexisting naevi 24 h after a single mono dose injection of melanotan II Semantic Scholar 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 Eruptive Dysplastic Nevi Following Melanotan Use Actas Dermo Sifiliogrficas