Winsor & Newton Oil Colour Medium Artists' Retouching Varnish 500ml
Use prior to an Artists' or Dammar Varnish, Winsor & Newton Artists' Retouching Varnish gives temporary protection to recently completed oil paintings. It is quick drying, can be overpainted, balances out surface sheen and allows the paint film to cure through the varnish. Ensure painting is touch dry. Use thinly.
Do not use as a medium.