Undaria peterseniana extract

Undaria peterseniana extract 1
photograph
AKA: Macrocystis Extract, Kelp Extract
Plant-Derived
Skin Conditioner
Extract
Not Clean
OriginNative to Japan. Undaria peterseniana is a brown kelp alga from the Alariaceae family, native to Japan and surrounding waters. The extract is obtained through solvent extraction of the whole plant material.
Undaria Peterseniana Extract is the extract of the alga Undaria peterseniana, Alariaceae.
Family
Alariaceae
Plant Part
Whole Plant
Form
Liquid
Skin Types
●all-skin-types
Best For
Antioxidant
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-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
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