After I drink powdered milk with Milo, I always have that sour saliva until i brush my teeth, why is that?

The Milo may contain citric acid or a similar flavor enhances/preservative, considering its a powder its highly likely, your mouth may be sensitive to the ingredients.After I drink powdered milk with Milo, I always have that sour saliva until i brush my teeth, why is that?
i lurvvvv milo and milk well milo and a little bit of milk


\is ur milk sour cause i ve never noticed a sour salivaAfter I drink powdered milk with Milo, I always have that sour saliva until i brush my teeth, why is that?
What's Milo?