Please enable the Hires upscaler and use Afterdetail to redraw the face
Recommended Parameters:
Sampler: DPM++ 2M Karras alt Karras or DPM++ SDE Karras
Steps: 20~40
Hires upscaler:4x-UltraSharp
Hires upscale: 2
Hires steps: 15
Denoising strength: 0.2~0.5
CFG scale: 6-8
clip skip 2