Australia has banned most of these aids, especially UV tanning clinics which obviously will increase skin ageing and cancer risks
Intranasal Melanotan-II
illegal agent in Australia, not approved by the TGA
acts on normal melatonin receptors to induce tan
they claim that a spray in each nostril every day for two weeks, then a lower maintenance dosage after that, achieves a natural tan that can last up to six months
has many adverse effects:
nausea, vomiting
flushing
acne
changes and growth in moles and potential to cause skin cancers
may rarely cause potentially fatal AKI or cerebral oedema