Laminaria japonica extract

AKA: Kombu Extract, Japanese Kelp Extract, Ma Kombu Extract
Plant-Derived
Barrier Support
Extract
Not Clean
OriginNative to Japan, East Asia. Derived from Laminaria japonica, a brown kelp species harvested from coastal waters of Japan and East Asia. Extracted from the thallus using water or solvent extraction methods to obtain bioactive compounds and minerals.
Laminaria Japonica Extract is an extract of the Japan Kelp/Seaweed, Laminaria japonica, Laminariaceae
Family
Laminariaceae (Brown Algae)
Plant Part
Thallus
CAS #
223751-72-2, 92128-82-0
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Skin Protecting
Helps rebuild and strengthen your skin barrier — the invisible shield that keeps moisture in and irritants out. Essential after over-exfoliating or harsh weather.
Nourishes & Protects
The paper trail
🔬Peer-reviewed1 paper →
⚖️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
Leave-on0.0005–5%
Rinse-off0.0005–5%
0%50%100%
CIR reported use · report published 2026
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR