After looking at this image way to long, I think I spot a strong difference, aside from the make up.
I think the new version has more pronounced wrinkles on her forhead and even the wrinkels next to the mouth seem more pronounced. Also, the thinner eyebrows also help. That, together with the brighter skin, makes her look older to me. For whatever reason I seem to associate lighter skin with higher age when it comes to dark elves. Not even sure why..
Probably much strengthened by the make up, like you said.
Yes her forehead wrinkles are pretty noticeable; though maybe they're just shown more with her shorter hairstyle; her previous hair covered her forehead more. It could be that the darker drow skin tones appear smoother than the lighter ones though I'm not sure; it seems that way in the character creator for me at least.
