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. SYNTHETIC MELANOTROPIC PEPTIDE INITIATES ERECTIONS IN MEN WITH PSYCHOGENIC ERECTILE DYSFUNCTION: DOUBLE BLIND, PLACEBO CONTROLLED CROSSOVER STUDY Journal of Urology IMB issues warning over tanning injections at salons or bought on internet The Irish Times Love Island generation' skin cancer fear