Polyester-5
What Polyester-5 is & what it does
Polyester-5 is a synthetic film-forming polymer built from repeating ester linkages. In skincare and sunscreen formulas it is used to form a thin, cohesive film that can improve wear, smooth the surface, and help distribute other ingredients evenly. Its main notable property is film formation, which can support a more even, longer-lasting finish.
Is Polyester-5 safe?
Polyester-5 is a synthetic film-forming polymer used in cosmetics and is generally considered suitable for topical use at formula levels. Large polymers like this tend to stay on the skin surface rather than being absorbed. Sensitivity is uncommon, but a patch test is sensible if your skin reacts easily.
What does Polyester-5 do in skincare?
Polyester-5 works as a film former. It helps create a thin, cohesive layer that can smooth the surface, improve how a product wears, and help distribute other ingredients evenly. In sunscreens this kind of film can contribute to a more even, longer-lasting finish.
Is Polyester-5 natural or synthetic?
Polyester-5 is synthetic. It is a man-made polymer built from repeating ester units rather than something extracted from a plant or animal. Synthetic polymers like this are chosen for their consistent film-forming performance.
Sunscreens with Polyester-5
We rate 27 sunscreens that contain it, showing the top 10 by overall score:
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RETURNU Deep Comfort Ampoule Sunscreen SPF 50+ PA++++
95/100
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iUnik Centella Calming Daily Sun Water SPF 50+ Pa++++
95/100
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House of Hur Matcha Light Sun Cream
95/100
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Smuuti Skin Watermelon Sun Cream SPF50+ Pa++++
94/100
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Fully Exosome Firming Tone-up Sun Cream
94/100
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BABE
Babé Laboratorios Pediatric Sunscreen Lotion SPF 50+
92/100
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La Roche-Posay Anthelios Xl Spray Spf 50+
92/100
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Hada Labo Tokyo Super Moisturizer Sun Lotion SPF30
86/100
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Garnier Ambre Solaire Kids Sensitive Water Resistant Sun Cream Spray SPF50+
84/100
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Garnier Ambre Solaire Kids Spray Minions SPF 50+
82/100