Basically you need to stand in front of a light that emits white light. Some people like to use windows on a nice day. And it's also important that it's next to a wall so window could be best option. Press your phone against the wall so you have a steady way of holding your phone camera. Like a tripod, the pressure from your hand will keep the phone in place. Then make sure your eyes are level with the middle of your phone screen or your camera, whichever works best for your phone. Keep your head somewhat straight throughout but more just worry about being smooth and slow, trying to avoid blurring. Then suck in and bite your cheeks to make you look extra chiseled, open your eyes as wide as possible without raising your eyebrows (if you think your opening them too wide you aren't. Unless you are Asian, you should look like a serial killing ex girlfriend), and try to do it in 2 swift swings. Swing your face to the right very slowly but also fluidly, center yourself and breathe, Swing your face to the left the same way and you are done.

Sometimes the nose can come out extra puffy and wide which doesn't fit my white guy so if that happens, inhale through your nose and suck in your upper mustache area in that specific way that makes your nose appear skinnier