Martina Big, a 36 year old German model, has undergone extensive tanning procedures and surgeries to alter her appearance, including the use of Melanotan injections to darken her skin. She and her 38 year old husband, Dark Patches Inside Mouth: 7 Alarming Causes Liv Hospital 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 Watch Me Tan with Melanotan 2 MT2 Year 2 Results, Side Effects, & My Full Protocol YouTube