Liquin is the most using medium by professional artists. It is actually a glazing medium and also a drying agent which makes your paint dries little bit
Winsor & Newton® Liquin
Oil painting Mediums recipes
The CORRECT Way to Use LIQUIN
Winsor & Newton Liquin Mediums
How Long Does Oil Paint Take To Dry? Improve Your Drying Times
Understanding Oil Painting Mediums - The Artist's Road
Mediums and Other Additives for Oil Painting
Why I Stopped Painting With Liquin - HelloArtsy
Mediums - Winsor & Newton Oil Colour Medium, Liquin Oleopasto Medium, 200ml
Liquin oil painting mediums - Jackson's Art Blog
Non-Toxic Oil Painting Mediums and Oil Varnishes
How to Make Oil Paint Dry Faster With Liquin - FeltMagnet
About Liquin : r/oilpainting
Liquin oil painting mediums - Jackson's Art Blog