D&C Red 7
CI 15850:1
Calcium lake of D&C Red 6, rated similarly.
How solid is the pore-clogging number
D&C Red 7 rates 3 of 5 — a common trigger for acne-prone skin, especially leave-on products. 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.