Well it's that time of year and the MT2 questions are flooding the DMs so thought if quickly cover how I personally like to use MT2 to get all the possitives and 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 Seven Days Of Melanotan 2 , Only about 4 hours of sun exposure this week. , I feel as though my face has gotten the best results so far. , Hoping the sun actually comes out this week! , Have my Melanotan Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically How Long Does It Take For Melanotan To Work?