Lefranc Clarified Linseed Oil

Lefranc Bourgeois are a paint manufacturer with a long history of supplying to artists since their beginnings in 1720.

From their website: Clarified linseed oil is extracted from toasted linseeds. It is the fastest-drying oil and enables painters to create their own medium. It is not recommended for use with light or transparent colours.

Consistency: liquid | Finish: glossy | Drying time: slow