I made this with CC & HDR Light Studio:
It is not ready, as you can see…
My settings were 512 samples in Path Tracing, no motion blur and:
I tried to solve the firefly issue with OptiX denoiser:
It works, but I feel that Optix denoiser takes also away some crispiness from the render.
Do I have any settings to change to find a better balance when fighting the fireflies? I know they are coming from the reflective floor surface, since in the first cc & HDR Light Studio render I did not had this problem: Beutiful skin with CC character & HDR Light Studio