Mineral paint is very similar to chalk type paints in that no prep or prime is required. It sticks to virtually just about anything. As an added reward, brands like Fusion are so durable, it’s waterproof, stain proof and doesn’t even need a topcoat. Verdict: I typically use Minwax polyurethane https://spray-kitchen-cabinets25814.bloggazza.com/5696038/5-simple-techniques-for-cabinet-paint-with-glaze