Single-concave frosted finish—the new trend in premium cigarette packagingAdvancements in UV light sources, plate-making, and ink technology have enabled single-groove embossing to achieve frosted, snowflake, and wrinkled effects nearly indistinguishable from screen printing. Meanwhile, restrictions on VOC emissions have limited screen printing's application in cigarette packaging. With its thin ink layer, rapid light curing, and strong three-dimensional effect, single-groove embossing sparked a wave of adoption in 2013, replacing screen printing.