As others previously have said. PLENTY of water with vaping, good oral hygeine including gentle brushing of the tongue, occassional carbonated beverages. Vary the flavors between different types. Try stronger flavors like cinnamon, the mints, or menthol flavors.
This reminds me of the cable TV show Myth Busters. They did a segment and tried all sorts of remedies, and milk was the overwhelming favorite.]Thompson said:in regards to peppers, carbonation has never helped. Milk is the only thing that has.