Now we'll try to detail the small balls on the girl's hair. Create a new layer above the layer with the basic color and group these layers (don't get outside the contours), applying the combination Layer ? Create Clipping Mask (ctrl+g). Introduce then the shadows, selecting the Burn Tool, changing the instrument's Exposure when processing and then merge down the layers: Layer ? Merge Down (ctrl+e). The shadows must be blurred out with the Smudge Tool.



Using the Dodge Tool, insert the flares:



Now we have to change a little the color of the balls. We need to copy the layer: Layer ? Duplicate Layer and change the layer's Blending Mode on Hard Light. Change the colors also, applying Image ? Adjustments ? Hue/Saturation (ctrl+u).



Insert the shadows on the grouped layer containing the ears (ctrl+g), applying the Brush Tool of Airbrush Pen Opacity Flow type:



Combine the grouped layers (ctrl+e) and apply the next command to them: Layer ? Layer Style ? Blending Options with the next adjustments: