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 Buy Melanotan 2 99% Pure Peptide Works Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn MD breaking down Melanotan II Part 2 of my peptide series. The research, the risks, the reality. Long term safety data? Nonexistent. Melanotan II (Tan Jabs): Why They're Not Worth The Risk