it is as clear as water. I believe that indicates it is made from the highest quality virgin oil and has had the most severe hydrocracking. It also may have some PAO because of the high viscosity. It probably has a balance of normal additives with some extra(high quality )moly. I have only been using 8 ounces per five quarts of mobil 10-30 high endurance because my engines are not worn. In my slightly worn 3.0 caravan with 180,000 mile, I use castrol 20-50 syntec and 16 ounces of lucas. This seems to give more power, better gas mileage at high speeds, and a quieter engine at start up.