What is Polyquaternium-37 used for in skincare?

In skincare, Polyquaternium-37 helps to create a smooth feel and can form a light film on the skin, which may contribute to a soft, conditioned sensation. It is often used to improve the texture and spreadability of creams and lotions.

Is Polyquaternium-37 safe for sensitive skin?

Polyquaternium-37 is generally considered safe for cosmetic use. While rare, some individuals might experience mild irritation, especially if they have very sensitive skin or are prone to contact dermatitis.

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Polyquaternium-37

Polyquaternium-37 is a synthetic polymer used in cosmetics and personal care products. It functions primarily as a film-forming agent, helping to create a smooth, protective layer on the skin or hair. It also acts as a conditioning agent, improving the feel and appearance of hair and skin. This ingredient can also contribute to the texture and stability of formulations.

Film former, conditioning agentVegan

BenefitModerate 1.5 / 4

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

improves skin feel
conditions hair
enhances product texture

Things to watch

potential for mild irritation in sensitive individuals

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Products with Polyquaternium-37

Moroccanoil

Frizz Control Conditioner

Gliss Liquid Silk Shine Conditioner

3.7/ 58/7/6

Garnier Fructis

Grow Strong 10-in-1 Leave-In

3.5/ 55/14/8

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Frequently asked questions

What is Polyquaternium-37 used for in skincare?: In skincare, Polyquaternium-37 helps to create a smooth feel and can form a light film on the skin, which may contribute to a soft, conditioned sensation. It is often used to improve the texture and spreadability of creams and lotions.
Is Polyquaternium-37 safe for sensitive skin?: Polyquaternium-37 is generally considered safe for cosmetic use. While rare, some individuals might experience mild irritation, especially if they have very sensitive skin or are prone to contact dermatitis.