Milk paint is by nature a porous paint, this means it can absorb liquids and stain if left unsealed. So, while not necessary to seal or topcoat, it is typically recommended. Fortunately, there are some great options available! Milk paint readily accepts almost any finish. From our product lineup, Finishing Oils, Finishing Creams, and Waxes are great options for sealing the milk paint. Each has unique characteristics, best applications, and end results.