I have listed this from Lakys web site.

HUMAN SKIN SETTINGS

DIFFUSE: Color White, Strength: 100%, Map: Texture Map

SPECULAR: Glossiness: 50%, between 40 or 60%, Color White, Strength: 15% or 20%, MSTO: On, Map: None

AMBIENT: Color White or very pale green/yellow, Strength: 15% or 20%, Map: None

OPACITY: Strength: 100%, Map: None

BUMP: Map: (if used), Strength: 100% , Negative Bump:-0.2, Positive Bump:0.2

DISPLACEMENT: Map: None, Strength: 0%, Minimum Displacement:-0.01, Maximum Displacement: 0.01 (can be used instead of bump map with the same settings)
REFLECTION: Color: White, Map: None, Strength: 0%

REFRACTION: Color: White, Map: None, Strength: 0%, IndexOfR: 0.0

GENERAL: Lighting Model: Skin

Site address: https://www.lakeworks.com
There are lots of shader setting there and also here and over at DAZ