Lactic Acid/Glycolic Acid Copolymer

Lactic acid/glycolic acid copolymer is a film-forming polymer derived from lactic and glycolic acid units. It lays down a flexible layer that improves wear and adhesion, refines texture, and supports even distribution of ingredients.
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Ingredient Snapshot

Overview
A film-forming polymer that helps makeup wear evenly and longer.
Category
Tone/Texture
Type
Film Former

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Improves staying power and provides a more uniform, satiny finish. May help keep ingredients in place for steadier performance.

Uses In Skincare & Cosmetics

Used in long-wear foundations, primers, sunscreens, and hair styling gels or creams to improve hold and finish.

Comedogenic Rating

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

Safety

Generally low risk, with occasional mild irritation or a tightened feel possible, especially on sensitive or compromised skin. Discontinue use if persistent discomfort occurs.

Is Lactic Acid/Glycolic Acid Copolymer a Good Ingredient?

Rated Fair because it reliably improves film formation and wear but offers limited direct skin benefit. Most users tolerate it fine, though some may notice tightness or mild irritation, particularly under occlusive formulas, which keeps the rating in the middle.

Products with Lactic Acid/Glycolic Acid Copolymer

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