Mineral Oil
Paraffinum Liquidum
Cosmetic-grade mineral oil is highly refined and non-comedogenic. The comedogenic reputation comes from unrefined industrial grades.
How solid is the pore-clogging number
Mineral Oil rates 0 of 5 — no observed follicular occlusion in testing. The rating is graded established. Traceable to published comedogenicity testing and consistent across sources.
It describes the raw ingredient in isolation. In a finished product, how much is present and where it sits in the list matter just as much. Check a whole label to see it in context.