How Melanotan 2 Affects Hair Colour Especially in Red or Ginger Hair Pure MT2 Melanotan II reverses memory impairment induced by a short term HF diet ScienceDirect 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 Insights into Tanning Biology and Tanning Products JCAD The Journal of Clinical and Aesthetic Dermatology