Cobalt Drier unit:each and highlands in grayscale detail

and highlands in grayscale detail that becomes more compelling as sections come together

Simply position your inked block

Apply only after paint has fully cured

essential for hyper-realistic work where artificial-looking backgrounds undermine otherwise convincing subjects

Cobalt Drier unit:each and highlands in grayscale detailOil paintings often need to dry between layers, and waiting days for each stage can stall momentum on a piece. Grumbacher Cobalt Drier accelerates the oxidation process that cures oil paint, reducing drying times so you can continue working sooner. Traditional cobalt formulation works reliably across different oil paint brands and pigments, though drying acceleration varies with paint thickness and environmental conditions. Add sparingly, a few drops