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 Day 2 on MT2 and Already Regretting It A Dermatologist Reacts YouTube Melanotan What It Is and Its Relation to Skin Cancer Melanotan II: Tanning, Sexual Health Benefits, & Safety Concerns 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