Ascophyllum nodosum powder

Ascophyllum nodosum powder 1
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Ascophyllum nodosum powder 7
Ascophyllum nodosum powder 8
AKA: Knotted Wrack Powder, Seaweed Powder
Plant-Derived Synthetic
Skin Conditioner
Marine
Not Clean
Ascophyllum Nodosum Powder is the powder obtained from the dried, ground Alga, Ascophyllum nodosum (L.), Fucaceae
CAS #
84775-78-0
Form
Powder
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
Processed form of the brown seaweed created for ease of use in cosmetic formulations, developed in the 20th century as a standardized ingredient to deliver the traditional benefits of seaweed in powdered form.
EWG
3
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
ewg-3
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-reviewednone on file
⚖️Regulatory2 listings →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR