Laminaria japonica extract

AKA: Kombu Extract, Japanese Kelp Extract, Ma Kombu Extract
Plant-Derived
Barrier Support
Marine
Extract
Not Clean
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
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
Traditional Use
Laminaria Japonica is a kelp widely used in Traditional Chinese Medicine and Japanese skincare for over a thousand years. Valued for its iodine, minerals, and skin-conditioning properties in East Asian beauty traditions.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Moderate Irritant
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR