Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Melanotan II (MT II) Peptide Therapy Beverly Hills How Melanotan Peptides Work to Enhance Skin Tone and Promote Tanning Age Well ATL Melanotan II in Santa Barbara, CA Eternity Health Partners Melanotan II is the product that's been dubbed the "Barbie drug" on social media, and promises to give users a tan without the sun but it can have serious side effects including, in rare cases, My tanned and untanned skin tones are drastically different : r mildlyinteresting