It will soon be possible to have electronic displays printed on thin plastic membranes, just like the ones you use for temporary tattoos that you put on your skin.
With them you could turn your whole forearm into a computer display You will also be able to get electronic makeup.
You would just wipe it all over your face and then touch it to, and it will instantly become whatever you want.
You will be able to change your appearance several times a day depending on your mood.