Europeans (please no Americans), is it normal for red wine to leave a yellow/white/greyish layer on the tongue overnight?
46-50
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Why Red Wine Can Cause Tongue Discoloration
Pigments and tannins in red wine can stain not only your teeth but also your tongue and mouth lining. Some wines are more prone to this than others.
Pigments and tannins in red wine can stain not only your teeth but also your tongue and mouth lining. Some wines are more prone to this than others.