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 Melanotan 2 is an unregulated, unsafe substance often advertised as a self tanning aid., Use of Melanotan 2 has been linked to serious side effects including loss of vision, moles, stroke, muscle Melanotan II urgent warning about tanning product pushed on social media news.com.au Australia's leading news site for latest headlines Melanotan What It Is and Its Relation to Skin Cancer