Where did all the acne go?

Cystic acne and its scarring seem to be disappearing from New Zealand faces. Here’s why. A bright green star adorned the freckled face of the teenager manning the supermarket check-out. Groups of schoolgirls sauntered past, clutching Stanley cups, cheeks dotted with neon stickers. At first, I wondered if they were a fashion accessory, but no, they had a purpose. They’re pimple patches, a way to…