Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report 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 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 Melanotan II Nasal Tanning Spray Risks: Dizziness, Nausea, Skin Cancer Business Insider