Melanotan 1 and Melanotan 2 are peptides that boost melanin to darken your skin without the sun. Melanotan 1 is FDA approved for rare light sensitivity conditions and gives a more gradual The Peptide Craze Ground Truths 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 Melanotan Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically