They are all cold-pressed virgin oils and should be kept in the dark and refrigerated after opening to prevent them from becoming rancid.
Do you use cold-pressed virgin olive oil or walnut oil?
For simple steeping, cold-pressed extra-virgin olive oil is best.
Choosing a cold-pressed olive oil can be similar to selecting a wine.
Both are cold-pressed oils from the first pressing of the olives.
Modern processes use heat or steam to produce refined varieties of oil with fewer impurities, but many artists prefer cold-pressed oils.
Trial and error eventually led to a bottling of a small amount of cold-pressed oil.
Recently the company began making a cold-pressed extra virgin oil.
Costas's cold-pressed extra virgin olive oil, fruity but fairly bland, is light in color.
Ones made with the cold process are often labeled so, like cold-pressed olive oils, and cost only a little more.