Highlight and contour in make-up is meant to cast light and shadows to areas on the face for a beautiful and natural looking skin but these days that's being abused.
When it comes to highlighting and contouring there should be a difference between enhancing your features and painting on a new face.
A heads up for when highlighting and contouring, do not choose shades that are way too lighter or darker than your natural skin tone.
To get a hang on this, watch this tutorial above.