Petrolatum
Petrolatum
0Will not clog pores. No observed follicular occlusion in testing.
The reference occlusive. Widely assumed to clog pores; USP-grade petrolatum tests non-comedogenic and blocks water loss better than anything else.
What it does
occlusive
How solid is that number
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 ingredient list matter just as much. Run the whole label through the checker to see it in context.
