Winsor-Newton-Artisan-Water-Mixable-Linseed-Oil-250ml-Winsor-Newton-3039723-P-This-Artisan-Water-Mixable-Linseed-Oil-250ml-is-the-most-commonly-used-medium-with-Artisan-oil-colours-reducing-consistency-and-improving-flow-while-increasing-both-gloss-and-transparency-P-P-This-linseed-oil-can-also-be-used-to-maintain-the-structure-of-the-paint-film-when-combined-with-water-or-thinner-and-plays-a-key-part-when-painting-in-layers-to-maintain-the-fat-over-lean-rule-each-successive-layer