Make up. Actors on TV and in the movies, even news reporters and politicians, wear make up on screen or stage. Why? Because from a distance, without that extra color and contrast on their faces, you can't see them well, they don't make much of an impression. In the same way, ON STAGE you need to exaggerate the emotions, dynamics, power, passion, etc., of your music to get your audience into what you're doing. Try to over-do it. Go for it. You might feel like you're being fake and ‘just acting', but usually what comes out, to the audience, is just a powerful, convincing performance, not the over-done version you may feel you're doing on stage. Remember the ‘psychological distance' between you and them will blur some of what you're doing, so really get into it. No, we don't care if you wear make-up.
In the beginning it takes a lot of work to develop the muscle memory needed for mastery. Be patient with yourself.