Melanotan II (Tan Jabs): Why They're Not Worth The Risk Health expert says Melanotan II darkens skin moles and can make melanoma hard to detect Herald Sun Melanotan II: Tanning injections, nasal sprays harmful to health How Melanotan 2 Affects Hair Colour Especially in Red or Ginger Hair Pure MT2 Don't risk your health for a summer glow! Tanning nasal sprays are creeping onto the UK market, particularly on online and lack of regulation means they are a significant risk to your Dermatologist Explains: Melanotan 2, SPF Oils, and More!