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 longer lasting than Dangerous' tanning products promoted by influencers Dermatologists from @HealthySkin4All say using melanotan 2 is "dangerous" and the only safe tanning method is using fake tan. They're now on the alert for patients presenting with warning signs "an unusually Melanotan II urgent warning about tanning product pushed on social media news.com.au Australia's leading news site for latest headlines Dangerous 'Barbie drug' Melanotan II sparks crackdown on social media influencers ABC News