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 2.5 month progress At Home UVB Lamp & Melanotan 1 (Afamelanotide) : r Vitiligo Melanotan II for Erectile Dysfunction: What the Evidence Shows and Practical Considerations Eruptive naevi and darkening of preexisting naevi 24 h after a single mono dose injection of melanotan II Semantic Scholar Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn