You create shadows under the cheekbone, on the temples and beneath the chin.
By shadowing the sides of the nose, you can make the nose look narrower.
You should make all areas you want to make recede or where you want to suggest depth darker than the basic surroundings.

Use the Powder-Rouge Brush to take out Grimas Eyeshadow/Rouge in the desired colour. Put the powder brush vertically and tap with the hand to disperse the powder in the hairs so the powder does not just end up on the tips of the hairs.