: Trying to Understand Levels Adjustment Layer Technique I came across an interesting article that, towards the end, states that in order to get more dark detail out of a faded photo, all you

@Samaraweera207

It works because Photoshop's adjustment layers are in essence a non destructive copy of the layers below. Then by changing the layer mode to multiply, you are basically multiplying the image with itself. It's quite a neat trick especially if you want to employ a non-destructive work flow.

This also works with other adjustment layers where you make no layer adjustment at all, such as curves, vibrance, exposure, etc.

The same would happen if you made an ordinary duplicate of the layer, however the copy would be fixed at the time you duplicated it, not non-destructive.

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