What is Polyquaternium-51?

Polyquaternium-51 is a synthetic polymer designed to mimic natural skin lipids, providing a protective and hydrating film on the skin's surface.

How does Polyquaternium-51 benefit the skin?

It helps to improve skin hydration by reducing transepidermal water loss and forms a barrier that enhances skin comfort and smoothness.

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Polyquaternium-51

Polyquaternium-51 is a synthetic polymer that mimics the structure of phospholipids found in cell membranes. It forms a protective, invisible film on the skin, which helps to reduce water loss and improve hydration. This ingredient is known for its excellent moisturizing properties and ability to enhance skin comfort.

NoneFilm formerVeganEvidence: Medium

BenefitGood 2.8 / 4

Hydration

Barrier support

Soothing

Texture

RiskVery low 0 / 4

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

Improves skin hydration
Forms a protective barrier
Enhances skin comfort

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Products with Polyquaternium-51

Niacinamide 10 + TXA 3 Serum

Score 4.8 / 5

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Frequently asked questions

What is Polyquaternium-51?: Polyquaternium-51 is a synthetic polymer designed to mimic natural skin lipids, providing a protective and hydrating film on the skin's surface.
How does Polyquaternium-51 benefit the skin?: It helps to improve skin hydration by reducing transepidermal water loss and forms a barrier that enhances skin comfort and smoothness.