Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn PDF) Effects of a Superpotent Melanotropic Peptide in Combination With Solar UV Radiation on Tanning of the Skin in Human Volunteers Melanotan A Golden Tan Without the UV Damage. in Gilbert, AZ LifeSpann Primary Care & Esthetics PDF) Effects of a Superpotent Melanotropic Peptide in Combination With Solar UV Radiation on Tanning of the Skin in Human Volunteers 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