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Fucus Vesiculosus
AKA “Fucus Vesiculosus Powder”
Skin Conditioning
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Ingredient Facts
Fucus vesiculosus
AKA: Fucus Vesiculosus Powder
Skin Conditioning · Skin Conditioning · EWG: 4
Synthetic
Skin Conditioner
Marine
Not Clean
Fucus Vesiculosus is the alga, Fucus vesiculosus, Fucaceae.
CAS #
84696-13-9
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
Bladderwrack seaweed has been used in traditional European and Irish folk medicine for centuries as a treatment for iodine deficiency, thyroid disorders, and skin conditions. Historical records show it was applied topically for eczema and psoriasis, and consumed internally for joint health.
Skin Types
●all-skin-types
Best For
Dullness
Pregnancy & Breastfeeding Safe
Caution
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
medical-approval
all-shades-safe
Moderate Irritant
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Fucus Vesiculosus
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Fucus vesiculosus (bladderwrack) powder
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Fucus Vesiculosus Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Fucus Vesiculosus Powder
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydrolyzed Fucus Vesiculosus Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Hydrolyzed Fucus Vesiculosus Protein
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Fucus Vesiculosus
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Fucus Vesiculosus Extract
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Fucus Vesiculosus Powder
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Hydrolyzed Fucus Vesiculosus Extract
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Hydrolyzed Fucus Vesiculosus Protein
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Treatment of human skin with an extract of Fucus vesiculosus changes its thickness and mechanical properties.
Fujimura T, Tsukahara K, Moriwaki S, Kitahara T, Sano T et al.
Journal of cosmetic science, 2002
→
Revealing the Potential of Fucus vesiculosus Linnaeus for Cosmetic Purposes: Chemical Profile and Biological Activities of Commercial and Wild Samples
Muñoz-Quintana M, Padrón-Sanz C, Dolbeth M, Arenas F, Vasconcelos V et al.
Marine drugs, 2024
→
Verified Jun 2026
Data: CosIng · EWG · CIR