Melanotan II (Tan Jabs): Why They're Not Worth The Risk Melanotan Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically How Melanotan 2 Affects Hair Colour Especially in Red or Ginger Hair Pure MT2 Melanotan II Wikipedia 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