Illegal tanning nasal spray not a 'harmless alternative' to sunbaking, says TGA ABC News Melanotan II Erectile Dysfunction Studies: What Early Research Shows and Practical Realities Melanotan What It Is and Its Relation to Skin Cancer Melanotan Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically MD breaking down Melanotan II Part 2 of my peptide series. The research, the risks, the reality. Long term safety data? Nonexistent.