Porphyra linearis powder

AKA: Red algae powder, Nori powder

Synthetic

Not Clean

OriginDerived from the red algae species *Porphyra linearis*, a marine seaweed found in coastal waters. Produced through harvesting, drying, and mechanical milling into a fine powder.

Porphyra Linearis Powder is a cosmetic ingredient. Assessed as safe by the CIR.

Form

Powder

State

Solid

Skin Types

●all-skin-types

Best For

Dullness

Pregnancy & Breastfeeding Safe

Yes

Functions

Absorbent

Anti-Aging Benefits

Antioxidant Protection

Reduces Inflammation

The paper trail

🔬Peer-reviewednone on file

⚖️Regulatory0 listings

🛡️Safety-assessed1 review →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

EWG

CIR

Safe as used

Pregnancy

Yes

Concentration Guide

CIR lists it as not reported to be in use.

CIR · report published 2021

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Verified Jun 2026

Data: CosIng · EWG · CIR