murphyHimanthalia elongata extract
AKA: Thongweed, Alga
Plant-Derived
Barrier Support
Extract
Not Clean
OriginAtlantic, Europe
Himanthalia Elongata Extract is an extract of the thallus of the Alga, Himanthalia elongata, Himanthaliaceae
Family
Himanthaliaceae
Plant Part
Thallus
CAS #
223751-70-0
Form
Liquid
Skin Types
●all-skin-types
Best For
Dullness
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
CIR Safety Findings
Not a Sensitizer
1 study / 1 not sensitizing (CIR 771)
Skin Irritant in Testing
1 study / 1 irritating / reactions slight (CIR 771)
Concentration Guide
Leave-on0.2%
Rinse-offNot reported
0%50%100%
CIR reported use · report published 2026
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR