Oil paint produce refined varieties of oil with fewer impurities, but many artists prefer cold-pressed oils. Other vegetable oils such as hemp, poppy seed, walnut, sunflower, safflower, and soybean oils may be used as alternatives to linseed oil for a variety of reasons. For example, safflower and poppy oils are paler than linseed oil and allow for more vibrant whites straight from the tube. Once the oil is extracted, additives are sometimes used to modify its chemical properties. In this way, the paint can be made to dry more quickly (if that is desired), or to have varying levels of gloss, like
Vateria indica oil Vateria indica oil "Vateria indica" oil is extracted from the seeds of the "Vateria indica" plant, a species in the Dipterocarpaceae family. The "Vateria indica" plant is indigenous to the Western Ghats, Kerala and Tamil Nadu regions of India. It thrives in the evergreen forests, surviving up to 800 meters above sea level. Oil from the seeds of the plant is extracted through a chemical refining process which makes the plant edible. Dhupa kernels are approximately 47% of the fruit, with the average kernel weighing 55 grams. The color of the kernel is reddish white or green, and it has