How is Winsor & Newton acrylic varnish removed from a painting?

Acrylic Varnish can be readily removed when dirty. To remove Winsor & Newton acrylic varnishes, apply Professional Acrylic Varnish Remover or Galeria Varnish Remover generously onto a lint free cloth and gently rub into the varnish film. If slight pigment is visible on the cloth this is an indication that the removal has been successful. Use plenty of clean cloth to ensure varnish is being removed from the surface. Avoid undue abrasion.