Sargassum filipendula extract
AKA “Brown Alga
Extract
Ingredient Facts
Sargassum filipendula extract
AKA: Brown Alga
Extract · Skin Protecting · EWG: 4
Plant-Derived
Barrier Support
Marine
Extract
Not Clean
Sargassum Filipendula Extract is an extract of the Brown Alga, Sargassum filipendula, Sargassaceae
Family
Sargassaceae
Plant Part
Thallus
CAS #
223751-78-8
Form
Liquid
See origin →
Functions
Skin Protecting
Helps rebuild and strengthen your skin barrier — the invisible shield that keeps moisture in and irritants out. Essential after over-exfoliating or harsh weather.
Nourishes & Protects
Traditional Use
A brown seaweed used in traditional Japanese and Korean skincare and medicine. Historically valued for its mineral richness and use in algae-based beauty treatments.
Skin Types
all-skin-types
Best For
Dullness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Moderate Irritant
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Final Report: Safety Assessment of Brown Algae-Derived Ingredients as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Sargassum Filipendula Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
Breeding in the Economically Important Brown Alga Undaria pinnatifida: A Concise Review and Future Prospects.
Shan T, Pang S
Frontiers in genetics, 2021
Screening of Bioactive Properties in Brown Algae from the Northwest Iberian Peninsula.
Silva A, Rodrigues C, Garcia-Oliveira P, Lourenço-Lopes C, Silva SA et al.
Foods (Basel, Switzerland), 2021
Screening of Bioactive Properties in Brown Algae from the Northwest Iberian Peninsula.
Silva A, Rodrigues C, Garcia-Oliveira P, Lourenço-Lopes C, Silva SA et al.
Foods (Basel, Switzerland), 2021
Verified Jun 2026
Data: CosIng · EWG · CIR