Sodium Hyaluronate Crosspolymer-9
A cosmetic ingredient used as skin conditioning - emollient, skin protecting, skin conditioning - humectant in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Sodium Hyaluronate Crosspolymer-9 is the sodium salt of Hyaluronic Acid that has been crosslinked with Arthrospira Platensis Extract. The spirulina extract consists chiefly of Phycocyanin.
What does it do?
Sodium Hyaluronate Crosspolymer-9 is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Skin conditioning - emollient
softens the skin by reducing roughness and friction between skin cells
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Skin protecting
helps shield skin from external environmental factors
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Skin conditioning - humectant
increases skin moisture by attracting water
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Skin conditioning - miscellaneous
improves skin condition through mechanisms not classified under the more specific emollient or humectant subcategories
EU regulatory status
Sodium Hyaluronate Crosspolymer-9 is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Sodium Hyaluronate Crosspolymer-9?
Sodium Hyaluronate Crosspolymer-9 is a cosmetic ingredient catalogued in the EU CosIng database. Sodium Hyaluronate Crosspolymer-9 is the sodium salt of Hyaluronic Acid that has been crosslinked with Arthrospira Platensis Extract. The spirulina extract consists chiefly of Phycocyanin.
Is Sodium Hyaluronate Crosspolymer-9 allowed in cosmetics in the EU?
Yes. Sodium Hyaluronate Crosspolymer-9 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Sodium Hyaluronate Crosspolymer-9 do in cosmetic products?
Sodium Hyaluronate Crosspolymer-9 is declared in the EU cosmetic ingredient inventory with these functions: skin conditioning - emollient, skin protecting, skin conditioning - humectant, skin conditioning - miscellaneous.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 25/06/2026