Photoshop Ghosting Issue: Masks

       Ghosting is when one of two photos becomes semi-transparent when working on them in Photoshop. This can happen when working on a composite image and where masks are involved. The in camera ghosting is another issue. There could be a variety of reasons why this may occur and mostly they are from a mis-click. If you are not using a layer mask and have this issue then you will not find a solution here sorry. Here are some things to check to remedy the issue.

If you have something somewhat
similar to this then it is an easy fix.

Check that the blending mode is on normal. Also make sure you have the mask thumbnail selected when you are painting on your mask.

Check that Fill is at 100%.

Make sure that you have Opacity at 100%.

The most common problem is that your brush is not completely black! Simply click on the white/black squares to reset your foreground and background colors to black and white.








If none of these solutions worked try to follow the instructions here on restoring your default settings:
Fixing Photoshop Layer Mask Problems