Fluorescent Brightener 264 Hydrolyzed Hyaluronate

INCI: FLUORESCENT BRIGHTENER 264 HYDROLYZED HYALURONATE

CAS Number
Not readily available (conjugate ingredient)
Function
UV absorber / skin conditioning (hybrid: optical brightener conjugated with hydrolyzed HA)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” no specific restriction

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Novel conjugate with extremely limited safety data; no CIR or SCCS monograph; supplier-specific characterization of degree of substitution, free brightener content, and HA MW distribution is essential; not authorized as Annex VI UV filter.

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Concern Level: Moderate

Frequently Asked Questions

Is Fluorescent Brightener 264 Hydrolyzed Hyaluronate safe in cosmetics?

Novel conjugate with extremely limited safety data; no CIR or SCCS monograph; supplier-specific characterization of degree of substitution, free brightener content, and HA MW distribution is essential; not authorized as Annex VI UV filter. The EU classifies Fluorescent Brightener 264 Hydrolyzed Hyaluronate as "prohibited". Safety rating: MODERATE.

Is Fluorescent Brightener 264 Hydrolyzed Hyaluronate allowed in the EU?

Fluorescent Brightener 264 Hydrolyzed Hyaluronate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Fluorescent Brightener 264 Hydrolyzed Hyaluronate do in cosmetics?

Fluorescent Brightener 264 Hydrolyzed Hyaluronate functions as: UV absorber / skin conditioning (hybrid: optical brightener conjugated with hydrolyzed HA). It is classified as a cosmetic ingredient in our database. CAS number: Not readily available (conjugate ingredient).

What is the Margin of Safety for Fluorescent Brightener 264 Hydrolyzed Hyaluronate?

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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