There is a weak component to facial recognition systems that can be exploited to make one invisible to facial recognition, but you stick out like a sore thumb to people. The exploit is to not have a human face, meaning the regular pattern of two eyes centered above a nose and mouth. The exploit is as simple as placing a sticker of a 3rd eye, a 2nd nose, or any other facial feature that is "not human" and you will be invisible to facial recognition. The reason this works is because the initial test for finding faces in images is a weak test, it has to be fast because it has to evaluate every possible rectangle in a video frame. That test is looking for the regular human pattern of a human face, and it that test passes that rectangle get more investigation. Failing that initial test, that rectangle is invisible...