Cobra water-mixable oil paint can of course be thinned with water, but a thinner can be very useful as well. This solvent-free thinner makes your paint more fluid, leaner and helps it dry more quickly, which makes it especially well-suited for the first layers of your painting. Can be thinned with water. Makes paint thinner without using harmful solvents. Less short-term color change compared to mixing with water. Increases transparency. Makes the brush stroke run slightly. Gives paint a nicer sheen compared to mixing with water. Allows paint to dry faster.