Brush it off
USE MASKS AND BLENDING MODES IN ADOBE CC TO BANISH STUBBORN AREAS OF COLOUR FRINGING
Bit of a blur
Open your image in Adobe Photoshop and duplicate the ‘Background’ layer with Cmd/ Ctrl+j. Select your duplicate layer in the Layers panel and navigate to the top toolbar. Click Filter>blur>gaussian Blur to bring up the Gaussian Blur window. We set our Radius to 8.0 pixels, but this will depend on the size of your image.
Blending modes
Ensure your blurred layer is still selected and click the Blending Modes dropdown menu in the Layers panel. This will be set to Normal by default, but you’ll want to select Color. Your image will now look sharp again and the chromatic aberration will either be gone or appear considerably less saturated.
Make a mask
Unfortunately you may find the saturation of other parts of your image has been reduced. The best way to combat this is to mask the layer and selectively remove the colour fringing. Do this by selecting the Add layer mask icon at the bottom of the Layers panel and invert it with Cmd/ctrl+i.
Brush it away
Select the Brush tool and choose a soft white brush. You can now paint over areas of chromatic aberration to reveal the Color blending mode layer beneath. If you stray too far off course, simply change the colour of your brush to black and paint to restore your original layer.