Refined coconut is made when coconuts are baked prior to the oil being extracted. The oil is then bleached to kill any existing microbes. This type of coconut oil is more processed, may have a lower nutrient profile, and in some cases can contain hydrogenated fats.
Unrefined coconut oil is made when the oil is extracted from fresh coconut meaning you get more flavor and nutrients! When searching for the best coconut oil, this is what you should be looking for.