Sargassum horneri extract
AKA “Alga
Extract
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Ingredient Facts
Sargassum horneri extract
AKA: Alga
Extract · Skin Conditioning | Antioxidant | Humectant · EWG: 4
Plant-Derived
Antioxidant
Humectant
Skin Conditioner
Marine
Extract
Clean
Sargassum Horneri Extract is the extract of the Alga, Sargassum horneri Science: Origin: Botanic/Natural | Process: Solvent Extraction | Functions: Skin Conditioning Safety Ratings: CIR: Safe as used
Family
Sargassaceae
Plant Part
Thallus
CAS #
-
Form
Liquid
Plant-Derived
Botanical. Native to East Asia. Sargassum horneri is a brown seaweed algae native to East Asian coastal waters in the Sargassaceae family. The extract is obtained through solvent extraction of the seaweed thallus, isolating its bioactive compounds.
Plant Source
Sargassaceae
Plant Part
Thallus
Function
Skin Conditioning | Antioxidant | Humectant
Benefits
Locks in moisture
Traditional Use
A brown seaweed with traditional use in East Asian medicine and food preparation. Historically incorporated into skincare for its emollient and nutrient properties.
Skin Types
all-skin-types
Best For
Target
Dullness
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Moderate Irritant
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR