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 BPC 157 aka Wolverine. This peptide is not FDA approved, but it is very popular among the biohacking population. Ashley explains the science behind it, but remember, it doesn't have human data yet, so PT 141 Nasal Spray vs Injection: Which Is More Effective? PT 141 10mg High Purity Research Peptide Melanotan What It Is and Its Relation to Skin Cancer