Excellent Cosmetic Ingredient

Fucoidan

INCI: FUCOIDAN

CAS Number
9072-19-9
Function
Anti-aging, Skin Conditioning, MMP Inhibitor, Collagen Stimulating, Antioxidant
Safety Rating
EXCELLENT

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes No specific CIR restriction; MoCRA registration required from 2026

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Highly evidenced marine anti-aging polysaccharide with multi-pathway collagen and elastin protection through MMP inhibition, elastase reduction, and fibroblast stimulation, demonstrated in vitro and ex vivo on human skin; activity is molecular weight and sulfate-content dependent, requiring supplier standardization.

⚠️
Concern Level: Low

Regulatory Flags

heavy_metal_testing_required marine_origin molecular_weight_critical_for_activity batch_variability_wild_harvest

Frequently Asked Questions

Is Fucoidan safe in cosmetics?

Highly evidenced marine anti-aging polysaccharide with multi-pathway collagen and elastin protection through MMP inhibition, elastase reduction, and fibroblast stimulation, demonstrated in vitro and ex vivo on human skin; activity is molecular weight and sulfate-content dependent, requiring supplier standardization. The EU classifies Fucoidan as "permitted". Safety rating: EXCELLENT.

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.

What is the Margin of Safety for Fucoidan?

adequate 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.

Compliance Tools

Check Fucoidan compliance across multiple jurisdictions:

🔬
Ingredient Decoder
Paste a full ingredient list for instant analysis
 🌸
82 Allergen Checker
Check for EU declarable fragrance allergens
 🧪
Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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