Thanks to all. For me hair is always challenge, and I miss modificators from maya Xgen. Without them much harder to make good hair. So for now I will left this hair, and will try to make more interesting hair when new Hair system will be finished ( maybe next year).
This is my last update, I finished groom for body too, so left only to render all and I will post it in finished category.
Color of the sss radius I took from Pixar Radarman wiki, and maybe adjusted it a little bit.
In my experiments the value of sss radius is around 0.12 in blender( for real scene scale ). If you have scale of the character like 5 cm (not 180 cm), value will be different. I did photo of my self with strong light behind my ears, and I do the same in blender with my characters, then I try to much the strength of the sss from photo and render. It will help if your character is different scale from real.
The most important is Albedo texture , I painted it in Substance Painter by hand ( I don’t like projections, painting it by my self is more creative).
Value of roughness is around 0.4 , but it different for different parts and have cavity map on top.