Ascophyllum nodosum extract

Ascophyllum nodosum extract 1
Ascophyllum nodosum extract 2
Ascophyllum nodosum extract 3
Ascophyllum nodosum extract 4
Ascophyllum nodosum extract 5
Ascophyllum nodosum extract 6
Ascophyllum nodosum extract 7
Ascophyllum nodosum extract 8
AKA: Knotted Wrack, Alga
Plant-Derived
Skin Conditioner
Marine
Extract
Not Clean
Ascophyllum Nodosum Extract is an extract of the Alga, Ascophyllum nodosum (L.), Fucaceae
Family
Phaeophyceae (Brown Algae)
Plant Part
Thallus
CAS #
84775-78-0
Form
Liquid
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
Modern extraction of the seaweed Ascophyllum nodosum developed in the 20th century to concentrate its bioactive compounds (polysaccharides, minerals) for use in contemporary skincare formulations.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Moderate Irritant
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
Dullness
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory2 listings →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR