Use a
StyleRef Field field to replicate information from the body of a document to the header.
What is the difference between headings and headers?
Could you post a sample document with the problem? Remove any confidential or proprietary information.
How to attach a screenshot or file in this forum.
I suspect that you've specified the formatting in the Content Control properties rather than applied the formatting to the paragraph containing the content control.
Which of Greg's Content Control utilities? I suspect the second because it was the one recommended in the source thread and gives more control over CC properties.