Really dangerous' tanning products containing melanotan 2 on the rise warns dermatologist Express.co.uk That quick tan injection is NOT worth the risk., Melanotan peptide injections stimulate pigment cells, and its use has been linked to rapid changes in moles, including the potentially fatal skin Melanotan (MT) II Melanocortin Receptor Agonist MedChemExpress SYNTHETIC MELANOTROPIC PEPTIDE INITIATES ERECTIONS IN MEN WITH PSYCHOGENIC ERECTILE DYSFUNCTION: DOUBLE BLIND, PLACEBO CONTROLLED CROSSOVER STUDY Journal of Urology Clinically important side effects of Melanotan II and placebo Download Table Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn