Is Fucoidan safe in cosmetics?
Fucoidan has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Excellent
Cosmetic Ingredient
Fucoidan
INCI: FUCOIDAN
Fucoidan (CAS 9072-19-9) is a cosmetic cosmetic ingredient functioning as Anti-aging, Skin Conditioning, MMP Inhibitor, Collagen Stimulating, Antioxidant. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 9072-19-9 →
Auto-generated CPSR Part A draft with source citations
Function
Anti-aging, Skin Conditioning, MMP Inhibitor, Collagen Stimulating, Antioxidant
Safety Rating
EXCELLENT
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
No specific CIR restriction; MoCRA registration required from 2026
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Fucoidan.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
1 property record from structured ingredient metadata.
biopolymer
{"cas_number": "9072-19-9", "polymer_class": "seaweed_polysaccharide", "botanical_source": "Fucus vesiculosus/Undaria pinnatifida", "molecular_weight_range_kDa": "20-200", "monosaccharide_composition": "fucose sulfate/galactose/xylose", "degree_of_branching": "moderately_branched", "charge_type": "anionic", "viscosity_1pct_solution_mPas": "10-100", "pseudoplastic_behavior": "weak", "thixotropy": "…
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Antioxidant
Softener and conditioner
Expert Verdict
Expert safety assessment and concern-level summary for Fucoidan.
Regulatory Flags
heavy_metal_testing_required
marine_origin
molecular_weight_critical_for_activity
batch_variability_wild_harvest
Chemical Function
Antioxidant
Softener and conditioner
Frequently Asked Questions
Is Fucoidan allowed in the EU?
Fucoidan EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Fucoidan do in cosmetics?
Fucoidan functions as: Anti-aging, Skin Conditioning, MMP Inhibitor, Collagen Stimulating, Antioxidant. It is classified as a cosmetic ingredient in our database. CAS number: 9072-19-9.
Compliance Tools
Check Fucoidan compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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