Polyquaternium-11

Polyquaternium-11 is a cationic film-forming polymer used in hair and skin care. It's chosen for flexible hold, a smooth surface feel, and better slip, which together support even application and longer wear with a light, non-tacky finish.
Like this ingredient?

Ingredient Snapshot

Overview
A styling polymer that smooths hair and skin without a crunchy feel.
Category
Skin Conditioning, Tone/Texture
Type
Film Former

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Tames flyaways and improves softness so hair appears smoother without a crunchy feel. On skin, it helps create a silky touch that looks more refined.

Uses In Skincare & Cosmetics

Frequently included in hair gels, styling sprays, and leave-in conditioners for light control. Also used in primers or lightweight lotions to improve a smooth application.

Comedogenic Rating

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

Safety

Generally well tolerated at typical cosmetic levels, though cationic polymers can cause mild eye or skin irritation in sensitive individuals. Discontinue use if redness or discomfort occurs. No specific regulatory restrictions are commonly cited for standard cosmetic use.

Is Polyquaternium-11 a Good Ingredient?

Rated Good because it reliably improves slip, light hold, and smooth feel, with extensive cosmetic use supporting performance benefits. Evidence is mainly formulation/performance-based rather than skin-health outcomes, so its impact is modest but consistent.