IMB issues warning over tanning injections at salons or bought on internet The Irish Times Q&A: Should you trust trending peptide injections? Illegal tanning nasal sprays being pushed by social media influencers Self confessed tanning addict Hannah has been using illegal tanning injections for three years and has no plans to stop Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and