Red wine combines chromogens (anthocyanins) with the acidity that opens enamel to staining. That is a difficult combination.
Practical steps: eat cheese or nuts alongside wine, rinse with water, and wait 30 minutes before brushing so demineralized enamel can re-harden. Whitening strips or trays are the most effective reset for accumulated wine staining.
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Ira Zoot is not a licensed dentist or clinician. As the site's independent editorial reviewer, Ira reads every page before it ships and cross-checks the underlying claims against published guidance from the American Dental Association (ADA), the U.S. National Institutes of Health / NIDCR, and Cochrane Oral Health reviews. Any clinical decision should still be made with your own dentist.