How Do I Do That in Photoshop?

Select Hair?

Get the Quick Selection tool (W) from the Toolbox and paint over the person’s hair, but stop short of painting over the edges of it. So, at this point, just make a very basic selection, avoiding the outside edge areas (that’s the tricky part). Avoid selecting any of the background area, as well. Once your selection is in place, go up to the Options Bar and click on the Refine Edge button. When the dialog appears, from the View Mode pop-up menu, choose Overlay. This view puts a red mask over the areas that aren’t selected, and I think ...