Melanotan 2 Hybrid Research Melanotan 1 vs Melanotan 2 My Melanotan2 before and after : r Melanotan2 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 longer lasting than Melanotan 2: Day 6 Another one hour in what minimal sun we had today. No tanning beds, just sun. Moved down to 50mcg before sun exposure No more side effects :) Before