Ascophyllum Nodosum

Ascophyllum Nodosum 1
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Ascophyllum Nodosum 2
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Ascophyllum Nodosum 3
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AKA: Knotted Wrack, Ascophyllum Nodosum Powder
Plant-Derived Synthetic
Skin Conditioner
Not Clean
OriginNative to North Atlantic, Ireland. Harvested from Ascophyllum nodosum, a brown algae species found in the North Atlantic near Ireland. Extracted from the algal thallus through water or solvent extraction methods to concentrate bioactive compounds.
Ascophyllum Nodosum is the alga, Ascophyllum nodosum, Fucaceae.
CAS #
84775-78-0
Skin Types
●all-skin-types
Best For
Dullness
Pregnancy & Breastfeeding Safe
Yes
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
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
3
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2026
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR