Adjustment layers allow you to make non-destructive corrections and enhancements to your project.
Adjustments are applied from the Adjustments panel and most include customizable settings alongside general adjustment options. Once applied, they can be identified as both an adjustment and a specific adjustment type by using unique symbols.
There may be times that you only want to apply an adjustment layer to either a single layer (e.g., a placed image) or a group of layers. This is easily achieved by clipping.
Adjustment layers also have mask layer properties. Areas of an adjustment layer can be revealed or hidden in the same way as with a mask layer.
When an item is selected, the adjustment layer is applied directly above the item's layer. With no selection in place, the adjustment is applied at the top of the layer stack.
With Photo Persona, adjustment layers can also have mask properties. Areas of an adjustment layer can be revealed or hidden in the same way as with a mask layer.
If there was no item selected, the adjustment is added to the top of the layer stack.
On the Layers panel, do one of the following: