Prefer liquid detergents if possible, choose a medium lasting washing program with low temperatures, following cycles suitable for glass.
Check that salt never lacks in the dishwasher.
Add ½ glass of wine vinegar during the washing cycle.
Remove the glasses only after they are completely dry or dry with a soft cloth, avoiding the twisting movement of the wine glasses.
Use the hot air from the hair dryer to remove the labels. Any adhesive residue can be removed with a soft cloth.
Wash products before first use.