A synthetic polyester polymer standardized under the name Polyester-7. It's used in products to form continuous films, boost payoff, reduce tack, and support long-wear aesthetics across makeup and other leave-on formats.
A film former that boosts color intensity and reduces stickiness.
Category
Tone/Texture
Type
Film Former
Ratings
Overall Rating
Fair
Comedogenic Risk
None
Not typically evaluated for comedogenicity — no standardized rating available.
Our take
Is Polyester-7 a Good Ingredient?
It rates Fair: it provides uniform coating and longer wear, but evidence for skincare benefits is limited. A minority may experience minor irritation or discomfort from the film it creates, particularly with frequent use.
What it does
Skin Benefits
Boosts color intensity while helping formulas feel less sticky. Maintains a crisp, well-groomed appearance over time without frequent touch-ups.
Where you'll find it
Uses in Skincare & Cosmetics
Used in cream blushes, liquid lip colors, eyeliners, and setting sprays to lay down a uniform layer. Also appears in long-lasting foundations and highlighters for improved appearance retention.
Before you use it
Safety
Considered safe at typical cosmetic levels with a generally low risk of irritation. Discontinue if redness or stinging occurs, especially around the eyes. Not associated with photosensitization.