The latest beauty breakthrough to cross over from Asia, sleep masks have been touted as the “next big thing” in anti-aging. Avon has taken this concept and transformed it into a new lightweight gel mask that delivers deep hydration perfect for layering without an uncomfortable thick texture, said the company.   Avon’s Anew Clinical Overnight Hydration Mask’s ($30) revolutionary texture features an ultra-replenishing, weightless gel with shea butter beads that burst upon contact with skin, said t...