Butyl Stearate
Butyl Stearate
3Moderate risk. A common trigger for acne-prone skin, especially leave-on products.
Frequently flagged in makeup formulas.
What it does
emollient
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.
