See the full makeup tutorial here.
Bethesda has even made cosplay guides for Emily, including how to make hairstyle, see the full cosplay guide here.
Also, my favorite blacksmith Stickweeds is currently working on a new commission for me, Corvo's mask from the first game, in real metal <3 Can't wait for it to be finished. Follow his page for more metal progress.
Photo and metal work by Stickweeds Cosplay and Crafting