Polydiethyleneglycol Adipate/IPDI Copolymer

A synthetic urethane-based copolymer derived from polydiethyleneglycol adipate and isophorone diisocyanate. Cosmetics use it to create flexible, uniform films that improve product wear, spread, and texture stability.
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Ingredient Snapshot

Overview
A film former that helps makeup and SPF stay in place longer.
Category
Tone/Texture
Type
Film Former

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Helps makeup and SPF stay in place for a more consistent look through the day. Promotes a smoother glide and flexible, comfortable feel on skin.

Uses In Skincare & Cosmetics

Common in liquid foundations, primers, eyeliners, and sunscreens to create a thin, breathable layer that improves performance. Also used in transfer-conscious makeup like mascaras and brow products.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Generally regarded as safe in leave-on amounts, with low expected irritation. Patch test if you have reactive skin or plan to use near the eye area. Not known for photosensitivity or acne risk.

Is Polydiethyleneglycol Adipate/IPDI Copolymer a Good Ingredient?

It rates Fair: it's effective as a film former for wear and texture, but there's little clinical evidence of direct skin benefits. A small subset of sensitive users may experience mild irritation from urethane-based polymers or their solvents.

Products with Polydiethyleneglycol Adipate/IPDI Copolymer

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