HPRA Reminds Public of the Serious Health Risks of Using 'Melanotan 2' Self Tan Products Kano Communications Melanotan Tanning Peptides: Safe Use, Side Effects & How It Works Scientifically Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian 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