Sodium Hyaluronate Crosspolymer
INCI: Sodium Hyaluronate
Reviewed by Rosie · Last updated 18 Aug 2026
Also known as: Hyaluronic Acid
Cross-linked HA for extended surface hydration
Addresses
EWG Safety Score
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What Is Sodium Hyaluronate Crosspolymer?
Sodium Hyaluronate Crosspolymer is a modified form of hyaluronic acid where the molecules have been chemically linked together to form a three-dimensional network. This cross-linking creates a larger structure that remains on the skin surface, providing extended hydration benefits.
Unlike smaller HA molecules that penetrate the skin, this crosspolymer forms a continuous hydrating film on the surface. It works synergistically with other hyaluronic acid types to provide both immediate and long-lasting moisture at multiple skin levels.
Benefits for Your Skin
Clinical Evidence & References
- Journal of Cosmetic Dermatology, July 2014, pages 277-287 View Study
- Journal of Clinical and Aesthetic Dermatology, October 2012, pages 20-23 View Study
- DermatoEndocrinology, July-December 2012, pages 253-258 View Study
- Journal of Drugs in Dermatology, September 2011, pages 990-1000 View Study
Frequently Asked Questions
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Take the skin quizOther forms of Sodium Hyaluronate Crosspolymer
These appear on ingredients lists under different names but are the same substance. Sodium Hyaluronate Crosspolymer is the common form.
Related Ingredients
Low Molecular Weight Hyaluronic Acid
Penetrating hyaluronic acid for deep hydration
Sodium Carboxymethyl Hyaluronate
A modified form of hyaluronic acid that hydrates and conditions the skin
Sodium Dilauramidoglutamide Lysine
Plant-derived ingredient | Functions as a surfactant and emulsifier
Sodium Hyaluronate
Skin-identical humectant for deep, lasting hydration
Sodium Hyaluronate Crosspolymer-2
A modified humectant that holds water within the skin for sustained hydration
Sodium Hyaluronate Crosspolymer-3
A modified form of hyaluronic acid designed for sustained hydration and skin conditioning
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