Generally, most matte paints should not be used in humid environments like kitchens and bathrooms. Moisture can damage paint, penetrate the drywall, and cause mold or mildew growth. But the good news is that Licetto matte paint is safe to use on interior walls and ceilings in humid environments. It is water-repellent and washable after two weeks of the paint setting in meaning that it is resistant to dirt, moisture, stains, and scratches.