This article from lookatvietnam looks at the stories of young Vietnamese getting UV tattoos:

Luminescent tattoos or UV tattoos have become the “fashion” among young Hanoians. It differs from normal tattoo only in that the normal ink is replaced by imported luminescent or UV ink.

The people with UV tattoos like going to discotheques and clubs to show off their tattoos because under ultraviolet lights, their tattoos shine.

A VNExpress reporter met several young people at a tattoo shop in Hanoi. They had paid a deposit to book the tattoos they liked.

“It is hard to find a tattoo shop like this where we can get UV tattoos, explained a girl named Lan Anh. The shop owner learned in France and his equipment is clean. Many people like tattoos, but they don’t dare use UV ink.”

A girl named Hoa acknowledged that “Tattoos are art so there is no specific price.” She pulled up her sleeve to show a new tattoo featuring a 10cm pattern and bragged, “This costs me 900,000 dong. So cheap! It would usually be 1.5 million dong!”

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