This grungy grainy style of image is often called the Xerox effect because of its similarity to old photocopied images. The image is given a high-contrast black-and-white appearance with shading generated by large grainy noise textures. Follow along with this tutorial to discover which combination of filters achieves the look and how you can customise the final appearance with my free duotone gradient presets.
► Woman photo from Unsplash – https://spoon.graphics/3VO6iVg
► Skull image from Pexels – https://spoon.graphics/3ROlHEa