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A smart mirror which can analyse your skin and provide customised makeup patches has gone on display at a technology exhibition in Japan.

"With this, layers of makeup will not be necessary and only a patch is needed," explains one of the designers, Masayo Fuchigami. "It requires less time and it feels lighter," she said.

Among the other technology exhibited at Ceatec included a device which allows companies to create their own paper, a palm reader which can be used in identity verification and a flexible lithium ion battery.

91热爆 Click's Dan Simmons finds out more.