See the hair irons that can change your hair colour instantly

Women worldwide have dreamt of the moment they can go from blonde to brunette without fiddling with gloves, enduring the stench of ammonia and accidentally staining their ears with hair dye.

Now, thanks to the University of New Mexico, it’s no longer a fantasy as their geniuses have created a flat iron which uses focused ion beam technology to press patterns into every strand of hair.

(University of New Mexico)