Polyester-1

What Polyester-1 is & what it does

Polyester-1 is a synthetic polyester polymer used in cosmetic formulas as a film former and viscosity modifier. In sunscreens and color cosmetics it helps create an even, longer-lasting layer on the skin and can improve the feel of the finished product. A notable property is the smooth, flexible film it leaves once the product has dried.

What does Polyester-1 do in skincare?

Polyester-1 is a film former and viscosity modifier. In sunscreens and color cosmetics it helps create an even, longer-lasting layer on the skin and can improve the product's texture. Its role is mainly about the feel and wear of the formula.

Is Polyester-1 safe?

Polyester-1 is a synthetic polymer used as a film former in cosmetics, and polymers of this size are generally considered well tolerated on skin. It is not a commonly reported irritant at typical use levels. Individual sensitivities can still occur, so a patch test is reasonable for sensitive skin.

Is Polyester-1 natural or synthetic?

It is synthetic. Polyester-1 is a man-made polyester polymer created for its film-forming and texture properties. It is not extracted from a natural source.

Sunscreens with Polyester-1

We rate 21 sunscreens that contain it, showing the top 10 by overall score:

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