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 Melanotan 1 vs Melanotan 2: Tanning Peptides Compared Which Is Better? PPW Peptide Protocol Wiki Melanotan Side Effects What Researchers Must Know There are two peptides people talk about for tanning: Melanotan 1 and Melanotan 2. Melanotan 1 works slower and mainly targets the skin, leading to a more gradual and even increase in