MATT VARNISH 500 MLIt is essential that you varnish your completed acrylic paintings. The varnish will protect the painting from dust, UV rays and yellowing. Do not thin with water Apply 1 2 thin coats, allowing at least three hours dry time between coats Do not shake or vigorously over brush as this can result in a foggy, hazy look when dry Don't apply with a roller or sponge brush Don't apply in one thick coat, but several thin coats, to avoid brush marks, drips and