​Edited a Photo and then Oops!!!!!!! Here is the Solution

Whether it is a creative clipping path or complex image masking, surely this has happened in your image editing career more than once. Ctrl+Z didn’t work as you have either saved it done too many editing. Furthermore if you have used cloning, healing and patching tool you have solution
Be a beginner or an expert in Photoshop one can endure mistakes those undo button won’t fix. Creating an empty layer and editing on top of that can be a solution. Here is how you do it.
1. Take an empty layer
2. Check “Sample All Layer”, “Current or Below” or “All Layers” box in the option bar depending on the tool
3. Choose different Layer for different tool or implication, When you came to a conclusion that you will deactivate the work of a specific tool you can just delete the specific layer and try something different and thus you don’t have to start over all again.