Layer masks let you hide or reveal parts of a layer without deleting pixels, so you can refine edits whenever your composition changes. Learn the essential rule—black conceals, white reveals—and use masks to blend overlays, isolate objects, apply adjustments selectively, and keep edits reversible.
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Practical Tips
Use these habits to keep mask edits flexible and easy to refine:
- Select the mask thumbnail before painting, then use black to hide and white to reveal.
- Lower brush flow for gradual blending, and raise it when you need to remove an area fully.
- Use a selection before adding a mask to isolate a subject or apply an adjustment to a specific area.
- Preview the mask with Alt/Option-click, and toggle it with Shift-click to compare the result.
- Use a group mask when several layers need the same visibility control, or when you want to protect an existing mask.
Related Articles and Tutorials
Explore these guides for more techniques for masks, selections, and flexible image composites.








