Merge down the layers (ctrl+e) and select the Smudge Tool to blur out the interrupted lines, remained when applying the filter.



Paint the girl's lips on a new layer, selecting the Brush Tool:



Change the layer's Blending Mode on Color Burn and blur out a little the edges of the lipstick, using the Blur Tool.



Merge down the layers (ctrl+e) and make the corrections of the layer's color, applying next options: Image ? Adjustments ? Selective Color.



Change also the brightness and the level of the contrast, applying Image ? Adjustments ? Levels (ctrl+l).