The News Movement (@thenewsmovement)s video of tanning TikTok Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Imagine just wanting to be jacked and tan and you end up like this? Melanotan II is a peptide that increases the melanin in your skin and can give men a boner that Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and