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Polyquaternium-16

Polyquaternium-16 is a synthetic polymer widely used in hair and skin care products. It acts as a conditioning agent, forming a thin, protective film on the hair or skin. This film helps to improve texture, reduce static, and enhance overall appearance.

Conditioning polymerVegan
BenefitModerate 2 / 4
Hydration i1 / 4

Whether the ingredient helps increase the skin’s water content — humectants that attract water, ingredients that reduce water loss, or ones that make skin feel less dry.

RiskLow 0.5 / 4
Irritation i0.5 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

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Frequently asked questions

What does Polyquaternium-16 do in hair products?
In hair products, Polyquaternium-16 provides conditioning, helps detangle, reduces static electricity, and can improve the overall feel and appearance of hair.