Sodium Hyaluronate Crosspolymer-4

INCI: SODIUM HYALURONATE CROSSPOLYMER-4

CAS Number
Not individually assigned (parent crosspolymer CAS: 105524-32-1)
Function
Humectant, Skin Conditioning, Skin Conditioning – Emollient
Safety Rating
EXCELLENT

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted for cosmetic use; covered under CIR hyaluronates assessment

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

None significant; biotechnology/synthetic origin should be documented for COSMOS claims

⚠️
Concern Level: None

Frequently Asked Questions

Is Sodium Hyaluronate Crosspolymer-4 safe in cosmetics?

None significant; biotechnology/synthetic origin should be documented for COSMOS claims The EU classifies Sodium Hyaluronate Crosspolymer-4 as "permitted". Safety rating: EXCELLENT.

Is Sodium Hyaluronate Crosspolymer-4 allowed in the EU?

Sodium Hyaluronate Crosspolymer-4 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium Hyaluronate Crosspolymer-4 do in cosmetics?

Sodium Hyaluronate Crosspolymer-4 functions as: Humectant, Skin Conditioning, Skin Conditioning – Emollient. It is classified as a cosmetic ingredient in our database. CAS number: Not individually assigned (parent crosspolymer CAS: 105524-32-1).

What is the Margin of Safety for Sodium Hyaluronate Crosspolymer-4?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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