OPI Nail Lacquer in Having a Candy Ol Time (listed by OPI as Havin' a Candy Ol' Time) is a dark blue crème nail polish from the limited-edition Good Enough to Treat holiday 2025 collection.
It comes in a 15 mL bottle with the ProWide brush and air-dries with no lamp. Apply two thin coats over OPI Natural Nail Base Coat and seal with OPI Top Coat.