Control/Command + J. Activate the background layer again, and select
the “Shadows” this time. Bring those to their own layer, too, with Control/
Command + J, and then set the blending mode to “Screen” and the
highlights to “Multiply.”
Highlights and shadows
Reduce the opacity to about 30%, depending on the image content.
“Shadows/Highlights” might also help. On a new layer, filled with a neutral
gray and its blending mode set to “Overlay,” paint in the desired light
quality with the Dodge and Burn tools. Alternatively, add a new layer and