1 - Disconnect Edge_Blend_4 from value 1 of Blending_Diffuse_Color

2 - Plug your subsurface skin node into Value 1 of Blending_Diffuse_Color

3 - Disconnect Blending_Diffuse_Color from PoserSurface Diffuse_Color Plug Blending_Diffuse_Color into PoserSurface Alternate Diffuse (thus disconnecting Subsurface Skin)

As it looks now, seems your node setup is actually bypassing the overlay (which I'm assuming is Image_Map_6.

--------------------------------------------------------------------------------

Consider me insane if you wish, but is your reality any better?