The screengrab is from PP2012 but the basics work in Poser6.

Connect a Blinn in Alternate_Specular at True White
Blinn Settings, at true White
Eccentricity =0.5
Specular Roll Offf = 0.5
Reflextivity = 1.0 =>  With the texture connected to the Reflectivity.

Click to enlarge

Start from here and adapt to your lights if needed.
Click to enlarge.

This setting gives a lot of flexibility, as (if required) you can also control the specular color with the Blin color if needed.
The connection to the texture in Reflectivity is (among others) to reduce the Blinn on the BROWS; Experiment and have fun.

Tony

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!