Polyquaternium-30 is a synthetic polymer used in cosmetics as a film-forming agent. It helps create a thin, flexible film on the skin or hair, providing conditioning and hold. This ingredient is often found in hair care products to improve manageability and shine.
Rated by SpottyLabs' ingredient methodology, independent of brands.
SpottyLabs scans any skincare product and rates every ingredient for benefit, risk and safety. Free and independent — no brand is paying us.
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