Gwyneth Paltrow, Kendall Jenner and Emilia Clarke are some of the famous who use this roller millennial in your routine. What they have in common Gwyneth Paltrow, Kendall Jenner or Emilia Clarke: the “Gua Sha“. This roller millennial common in Asia has become part of the ritual of facial care, a tool that promises to properties such as brightness, to reduce congestion and smoothness in the skin.