For example, in May and June, a bunch of little pink pigs from a British cartoon series Peppa Pig crawled across many Chinese children's arms, in the form of tattoo stickers.
Though the tide of popularity for these cartoon figures is toned down, the tattoo stickers are still beloved products.
However, some sold in online stores were reported to have too many chemicals that could cause allergies, such as itching and flushing.
