Ok, I reverted my file (from your patch) to using the original global_chr s3d file. That should render things back to as-installed, unless your patch changed more than just the noted file. The human male was back to his broken, "Robocop" form though! All three of the following pictures were taken on the same PC within the span of a few minutes.
Human male (shown as indication that "visor bug" is in effect:
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Human female front:
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Human female back:
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Hope this helps. Based on the designs, the back of the female helm appears to be using texture space from what appears on the front of the male helm.
Danth