How to remove stains on a shirt in Photoshop
When taking photos or editing photos in Photoshop there will be redundant details to be removed from the image, such as stains on clothes. Users will then have separate tools to handle image details that are not needed on the image. For smudges on the shirt, you will have 2 tools: Delete Content-Aware and Spot Healing Brush. The following article will guide you how to erase the stain on clothes in Photoshop.
Method 1: Delete stains on shirts with Delete Content-Aware
Open the image to be processed in Photoshop and then click the Rectangular Marquee Tool to select the area to be removed, right- click and select Fill .

Display the table to set up, in the Contents section select Content-Aware , Opacity select 100% , click OK to remove stains.
This way, it should only be applied to details with simple background only.

Method 2: Remove stains with Spot Healing Brush
Click the History icon as shown, then click the pen icon to return the image to its original state.

Next, click the Spot Healing Brush tool in the left side toolbar.

Users apply around the stain to be removed and then release their hands.

Immediately the stain will be erased on the shirt. With this tool, the moles, freckles, acne on the face are also deleted without leaving any traces.