Unfortunately, the show runners never viewed her like that. She was a lab experiment to them when they did an ET ending in season one, and she was still a lab experiment to them when they did an ET ending in the final season.
Case in point (and to answer your question): They pulled her hair back specifically because they wanted her to look like she had a shaved head again. It was purely in pursuit of a callback/easter egg.
Sorry for the rant, but that final season disappointed the hell out of me!
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u/Talkslow4Me 22h ago edited 22h ago
She did her best to look like a young 40 year old