Contouring is a technique previously reserved for runway models and fancy photo shoots but nowadays, it's becoming part of many girls' daily routines and unlike normal makeup, this technique can really make a girl's face change completely.
Contouring is giving shape to an area of the face and enhancing the facial structure through makeup and for it to be considered professional, it's not supposed to be noticeable.
Below are some before and after photos of face contouring.