>>66269562its animatediff with a facedetailer and upscale so not really. it is however 0-shot so we can just use a different model. what your observing is probably a tad too much denoise on the face that while it gives me more detail, I guess I didn't see the masking effect like you did. here's the reference video, to showcase how much its deviated for comparsion:
https://files.catbox.moe/fz6ub5.webm 