Sargassum fusiforme extract

AKA: Hijiki, Brown Alga
Plant-Derived
Barrier Support
Marine
Extract
Not Clean
Sargassum Fusiforme Extract is an extract of the Brown Alga, Sargassum fusiforme, Sargassaceae
Family
Sargassaceae
Plant Part
Thallus
CAS #
223751-79-9
Form
Liquid
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 with a long history of use in Traditional Chinese Medicine and Japanese herbalism as a nutritive tonic and for supporting thyroid health. Used in traditional skincare preparations.
EWG
3
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Moderate Irritant
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
Dullness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper
⚖️Regulatory1 listing
🛡️Safety-assessed2 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR