Melanotan II injection resulting in systemic toxicity and rhabdomyolysis Man warns against 'dangerous' tanning injections after turning so dark he 'looked like Madge from Benidorm' and now has the freckled skin of a 60 year old Melanotan is not a tan. It's an unregulated peptide with real risk. As a dermatologist, here's the reality: It has been linked to new and changing moles including cases of I'm scarred for life after overdosing on 100 tan injections Melanotan II an overview ScienceDirect Topics Melanocortin agonism in a social context selectively activates nucleus accumbens in an oxytocin dependent manner ScienceDirect