Hue-Saturation adding artifacts to some images

[denzjos]

Maybe the Krikor plugin can help you.
https://gimplearn.net/viewtopic.php/GIMP...7ba0c0824d
If the result is to dark in the shadow areas, then :
- make a new layer from the visible (right click on the layers dock : New from Visible)
- desaturate this layer : Colours / Desaturate / Desaturate
- set the layer mode on this layer on 'Soft Light'
- if not satisfied, use the Opacity slider on this layer
- if not satisfied with the color, use the levels : Colours / Levels ( Value :  blue / green /red 'Input Levels' slider)     
After Krikor plugin :
   
After 'Soft Light' layer
   
Little levels correction :