Ingredient
Myreth-3 Myristate
Emollient ester · INCI: Myreth-3 Myristate
How we read it
Highly comedogenic
A known pore-clogging ingredient. Avoid if you're acne-prone.
Why we read it this way
Listed as pore-clogging by Acne Clinic NYC. A fatty ester used for slip and a silky finish; esters in this family are commonly reported to congest acne-prone skin.
The nuance
Effect depends on concentration and the rest of the formula; usually more of a concern in rich, leave-on products.