An employee for Japanese cosmetics company Kao removes a super thin transparent layer after using a palm-sized diffuser on her face, during a product demonstration in Tokyo on December 4, 2019. Kao on December 4 unveiled what it said was the world's first spray-on skin, using fibres one-100th the thickness of a human hair to form a membrane covering the face. (Photo by Charly Triballeau/AFP Photo)
