In the Maps tab you will see the settings for the main maps.

In some cases, when you change a setting, you should refresh viewport textures to see the changes. (shift + space)

Ambient:

• shadow softness: the softness of the ambient shadows
• shadow rays: higher shadow rays = smoother shadows and better quality
• shadow strength: contrast of the shadows
• light strength: contrast of the light

Translucency:

• Thickness: determine how much light should pass throw each hair strands.

ID Map:

• ID mode: chose between random color for each hair strands or Perlin noise.
• Perlin noise scale: the scale of the noise.

Normal map:

Choose the normal map Y direction. (green channel)