Is it necessary to bake-to-cure FolkArt Color Shift Acrylic Paint when painted on glassware?

Yes, FolkArt Color Shift applied to glassware should be cured in the oven so that the paint is permanently set on the surface. To cure your project in the oven, follow the steps listed below: 

1. Allow painted item to dry for 24 hours to be sure all layers of paint have dried.
2. Place project in a cool oven, as the glass must heat gradually with the oven to avoid breakage; do not place glass in a hot oven.
3. Set oven temperature to 350ºF.
4. Once temperature has reached 350ºF, allow the project to bake for 30 minutes.
5. After 30 minutes, turn the oven off and let glass cool down completely before removing from the oven.
6. Do not use for 72 hours.