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Nail varnish that can be switched on or off: The future of color cosmetics?

#cosmetics #technology #marketing

Environmentally friendly pigments that can instantly and reversibly change colour could be the future of color cosmetics, according to researchers in California.

Iron oxide particles embedded in microscopic polymer beads can be made to change color with the application of external magnetic fields, according to the team led by Yadong Yin at the University of California.

“Unlike many conventional approaches, the instantaneous color change occurs with no change in the structure or intrinsic properties of the microspheres themselves. What changes instead are the magnetic fields acting externally on the orientation of these microspheres,” explained Yin.

Nail varnish that can be switched on or off: The future of color cosmetics?.

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