Cladosiphon okamuranus extract
AKA “Alga
Extract
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Ingredient Facts
Cladosiphon okamuranus extract
AKA: Alga
Extract · Skin Conditioning | Humectant | Antioxidant · EWG: 4
Plant-Derived
Antioxidant
Humectant
Skin Conditioner
Marine
Extract
Clean
Cladosiphon Okamuranus Extract is an extract of the Alga, Cladosiphon okamuranus, Chordariaceae Science: Origin: Botanic/Natural | Process: Solvent Extraction | Functions: Skin Conditioning Safety Ratings: CIR: Safe as used
Family
Chordariaceae
Plant Part
Thallus
Form
Liquid
Plant-Derived
Botanical. Native to Japan. Derived from Cladosiphon okamuranus, a brown seaweed in the Chordariaceae family native to Japan. Extracted from the algal thallus using solvent extraction methods.
Plant Source
Chordariaceae
Plant Part
Thallus
Function
Skin Conditioning | Humectant | Antioxidant
Benefits
Locks in moisture
Traditional Use
Known as mozuku in traditional Okinawan cuisine, this brown seaweed has been consumed for centuries in East Asian food and medicine for immune support and skin health, traditionally valued for its fucoidan content and anti-inflammatory properties.
Skin Types
all-skin-types
Best For
Target
Dryness
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