Undaria peterseniana extract

Undaria peterseniana extract 1
AKA: Macrocystis Extract, Kelp Extract
Plant-Derived
Skin Conditioner
Marine
Extract
Not Clean
Undaria Peterseniana Extract is the extract of the alga Undaria peterseniana, Alariaceae.
Family
Alariaceae
Plant Part
Whole Plant
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
A brown seaweed extract with no significant traditional or historical use in cosmetics. It is a modern ingredient used in contemporary formulations for its mineral and polysaccharide content, developed as part of the broader trend toward marine botanicals in skincare.
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
Antioxidant
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR