The Finishing Touch: Why Varnish Your Painting—And How to Get It Just Right

No, varnishing is optional. If you love the way your artwork looks in its current matte, non-glossy state, you don’t need to do anything else. Fully dried acrylic is already durable, forming a thin layer of plastic that won’t flake or fade quickly. Varnishing is only recommended if you want additional protection or a polished look.

Varvikas includes varnish to offer long-term protective benefits and enhance the final appearance. Acrylic paint is slightly porous, which means dust, liquids, and household stains can penetrate the surface over time. Varnish creates a smooth, sealed layer that makes it quick and easy to clean your artwork, preserving its beauty.

Some darker paint colors, like navy blue, black, or burgundy, may look dull or as if they have a light, dusty film after drying. Applying glossy varnish restores their rich vibrancy, intensity, and depth. Varnish also helps harmonize different finishes on the canvas, resulting in a balanced, professional, gallery-ready look.

Skipping varnish won’t cause immediate harm, as dry acrylic is resilient and long-lasting. However, the painting’s surface remains slightly porous, so it may be more vulnerable to dust, spills, or grease stains that are hard to remove later. Varnished paintings are far easier to wipe clean and maintain over the years.

Varnish fills in the microscopic pores on the acrylic surface, effectively sealing out dust, coffee drops, kitchen splatters, and other common household hazards. Any residue remains on the surface and can be wiped away with a cloth, helping your artwork keep its just-finished freshness for much longer.

Always wait at least 24 hours after painting to let the acrylic fully cure. Apply varnish in bright natural or lamp light, tilting your canvas to spot any missed areas. Use a single pass of the brush per section to avoid bubbles and streaks—overworking can cloud the finish. If the varnish is thick, dilute it slightly with water for a smooth application.

Different pigments have varying drying properties—some naturally dry shiny, others matte. This can result in an uneven finish on your artwork. Applying varnish unifies the overall surface, evening out the gloss and making all colors look equally rich, deep, and visually satisfying, just like professional paintings.