Clean up the area
Open your image in Photoshop and create a duplicate Layer (Ctrl+J). This is the Layer you will be working on. Now select the Clone Stamp Tool (S) and select your source point by holding down Alt and clicking just below the area you want to clean up – for us this is the lighter patch under the eye but above the cheek. Set your Opacity to 20%, and select a large soft edged brush. Now start brushing in the lighter area with long strokes, making sure you don’t paint over the eye. If you have made a mistake, don’t forget you can undo your last steps, multiple times, with Ctrl+Z until you’re safely back to a point before you went wrong.
CLONE STAMP TOOL SOURCE POINT