Melanotan II (Tan Jabs): Why They're Not Worth The Risk Nasal tanning sprays linked to skin cancer, trading standards officers warn Consumer affairs The Guardian Viral 'Barbie drug' for tanning can cause brain swelling and even cancer, experts warn Tanning peptides like melanotan are trending online, but theyre not approved, not regulated, and illegal to advertise in Australia. When products havent been properly tested, theres no way to know Dangerous' tanning products promoted by influencers FDA's Overreach on Compounded Peptides