Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report Melanotan Tanning Injections The Low Down Lynton Lasers October 2017 VOL. 14, ED 3. by PeningtonInstitute Issuu Dermatologists are sounding the alarm on TikTok famous nasal tanning sprays 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 Avoid nasal tanning sprays or nasal tanners entirely. These products promise an all over tan without sun exposure but they are unregulated, can be unsafe, and contain potentially risky substances like Melanotan 2.