Using the last Poser13 (13.1.469, I've noticed that the triple values I used to have in the PrincipledBsdf's SubSurface Radius input had to be divided by 10. Failing to do this, I' retrieve my skins with a similar ghost effect.
Wasn't the case with 13.1.449 and before.

𝒫𝒽𝓎𝓁

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