The wet plate collodion process is becoming increasingly popular as photographers search for more unique, and equally eye-catching ways of taking photos. This almost abandoned technique was once the most advanced photographic process available, but was overtaken by dry plates, celluloid film and more recently digital photography. The effect is highly sought after because of the amazing quality of detail it adds to portraits. Here’s how you can apply the wet plate collodion effect to any portrait in Photoshop.