You Should Avoid Using Nasal Tanning Sprays Stay Sun Kissed All Year Round with Melanotan 2 Melanotan is a tanning peptide that stimulates the production of melanin in the body to foster a deep, natural tan. This is the 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 & before , Well see How Long Does Melatonin Last? Sleep Foundation Melanotan II PERMANENTLY Darkened My Skin!