Digital Face and Neck Refinement

This is a video in progress. The full video is 90 minutes but the areas that need the vfx are a combined duration of approx 60 minutes ( interviews and preforming on stsge. One person only to be fixed

1. Neck Cleanup (Tracked Mask and Replacement)
The camera was positioned below the subject, which emphasizes the loose skin beneath the chin and neck. This distracts from the scene. The requirement is:
Track the neck area through the shot with a mask, so the mask follows the subject's movement.
Replace or smooth the affected area so the neck appears cleaner and more natural, matching the surrounding skin tone and lighting.
Tracked masking is a standard function in Resolve (a Power Window with tracking on the Color page), and replacement or cleanup of this kind may also be done on the Fusion page.

I need to completely remove a sagging turkey neck fold. Because there is a lot of movement and stage lighting, this will require precise Power Window tracking coupled with Patch Replacer or Object Removal cloning to seamlessly cover the hanging skin with a clean skin texture plate.
Please let me know if you have experience with match-moving, digital beauty tracking, and clean-plate patching directly on the Color or Fusion page.
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2.Face Refinement
The subject was ill and fatigued during filming. The goal is a modest, natural improvement so the face appears less tired and less unwell. Specifically:
Reduce the bags under the eyes.
Soften the laugh lines.
The result should be subtle and not look processed.