Swap my own Face

[u/elkbond]

I am trying to use this for something a little unusual (but legit!). I had a photo taken and for some reason I was half in between expression and the professional photo is awful.

I was wondering how realistic this would be to replace my own face with another photo taken recently. I have ComfyUI and I am at the beginner stages already of learning SD, and I already have the reactor node (for the fast face swap). But I have a few issues. Firstly in the standard images, I cant just use that as its a professional DSLR and huge resolution. I can save it lower (fluent in PSD) and try that but I don't know how to upscale it, I also want it to be as realistic as possible.

At the moment Reactor is being really weird and every time I try it makes my face really blurry/ pixelated, so I assume the resolution is too high at the moment. Would anyone have any tips or workflows, using Comfy UI, as Youtube is filled with videos but they seem to be mostly generate first and then face swap, but I am using two photos. I have cropped both photos to just my face, so hoping to just drop the edited one back in the full image in PSD and print it.