Emollient

Sodium Polyacrylate Crosspolymer-1

INCI: SODIUM POLYACRYLATE CROSSPOLYMER-1

Reviewed by Daisy · Last updated 2 Jun 2026

A synthetic polymer that conditions skin and helps formulations maintain their texture

Best For Skin Types

All, Oily, Combination, Sensitive

Addresses

Hydration

Usage Frequency

Daily

What Is Sodium Polyacrylate Crosspolymer-1?

Sodium polyacrylate crosspolymer-1 is a synthetic polymer derived from acrylic acid. It functions primarily as a skin conditioning agent and film former in topical skincare products, helping to create a smooth texture and improve how formulations feel on the skin.

This ingredient is commonly used in gels and lightweight formulations where texture and spreadability matter. It works by forming a thin layer on the skin surface, which can help bind moisture and create a more refined sensory experience during application.

How It Works

Sodium polyacrylate crosspolymer-1 works by forming a polymer network on the skin. This creates a thin, flexible film that can help bind water to the skin surface, supporting hydration. The crosslinked structure means the polymer is stable and less likely to wash off immediately.

In formulations, it also acts as a thickening and stabilising agent, allowing product developers to create lightweight gels without the greasiness of heavier emollients.

Clinical Evidence & References

Research on sodium polyacrylate in skincare is limited. Most published studies examine its use in other industries, such as leather preservation and sensor technology, where its water-binding capacity is well documented. These studies confirm the polymer's ability to absorb and retain moisture, but direct evidence of its skin benefits in cosmetic formulations is sparse.

Its safety and efficacy in skincare products have been established through regulatory approval and long-term use in cosmetics, though specific clinical trials evaluating its impact on skin conditions are not widely available in published literature.

How to Use

This ingredient is typically found in gel-based formulations where it contributes to texture rather than active treatment. Use as directed by the product instructions. It works well in layered routines and does not require special timing. If using multiple gel-based products, apply from thinnest to thickest consistency.

Safety & Precautions

Sodium polyacrylate crosspolymer-1 is generally well-tolerated and approved for use in cosmetics. It is unlikely to cause irritation in most individuals, though those with very sensitive skin should patch test new products containing it.

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