Don't worry! You're not the only one that has uneven brows! Remember your brows are sisters, not twins. Some of us they may even be six cousins removed let alone sisters.
However, creating a more balance and even Brow look is super easy, and requires very little make up. It's very important that you do not over wax or tweeze your brows to be completely even. Yes, absolutely a proper brow shaping and wax will help achieve a more even look but please go to someone who is experienced in this. Doing, that would create very thin, and still uneven Brows, as your brows are uneven by how they sit on your face, not how they grow.
The products used are Relume Cosmetics Full On Brow Pencil in Black. BrightEyes Highlight in Medium and Everyday Lift in Brown Black.