You know this is a scientifically proven effect. Your brain distorts the image on the mirror to ease out imperfections so that you look much more attractive to yourself. It cannot do that with the camera thus the image you see there is closer to what you actually look like in real life. Look it up, it is quite interesting. Oh by the way you're brain does exactly the same to your voice, i.e. Makes you perceive it as more masculine for guys and more feminine for ladies.
"How many cameras are actually on you??"
https://www.youtube.com/watch?v=6JUxf14xRH4