A retouching varnish can be applied as a preliminary varnish once an oil painting is dry to the touch, to allow for exhibition or shipping. The oil paint layer underneath can continue to dry through the film.

Use Daler-Rowney Retouching Varnish to bring back the original paint quality of dry or dull oil paints. It can be used as a preliminary varnish as soon as the paint surface is dry to the touch, since oil paints can continue to dry out through the film.

Grumbacher Damar Retouch Varnish is a spray damar varnish for intermediate stages of development in an oil painting to even out the gloss of unfinished works, or to revive sunken in or dry areas to aid in accurate color comparison for further painting.

Maimeri Painting Varnish is a fatty varnish that prevents uneven drying, and produces bright tones. It increases the adhesion to the surface and the flexibility of colors.

Maimeri Retouching Varnish is a light final varnish. It's suitable for treating matte areas that form while painting before applying another final varnish.

Maimeri Mastic Varnish is a fast-drying light varnish for retouching and restoration. The finish is moderately shiny, and will not yellow.

Great for reviving elements of paintings that have faded or become dull, Old Holland Retouching Varnish brings back the original quality and character of the paint surface. A ketone resin dissolved in white spirit, this varnish also provides temporary protection and dries in several hours.

Barrier Varnish is an alcohol-based intermediate varnish that produces a clear, gloss film on fully dried paint layers. Used in the double varnishing technique, it reduces the risk of shrinkage and allows re-painting by isolating the previous coats.

Use this light, fast-drying mineral spirit-based varnish to restore original brilliance and luminosity to colors that have dulled or sunken in, on unfinished works. Or use it as a temporary final picture varnish.

Bring out the wet look from areas that have dried flat, or paint over areas that are not yet dry, with this quick drying, light body retouching varnish. It can also protect the paint surface before a final varnish is applied.

Artists' Retouching Varnish is a clear liquid varnish that dries to a non-yellowing, glossy film and gives temporary protection to recently completed oil paintings.