Photoshop Marshmallow Actions by lieveheersbeestje
1. Download & install the actions: lieveheersbeestje.deviantart.c…
2. Apply the action, click on play selection.
3. Adjust the action to your picture. (optional)
If you want to see if the action works properly, just copy the before image and apply the action and see if it's got the same result as below.