Lessonia nigrescens extract
AKA: Alga
Plant-Derived
Barrier Support
Marine
Extract
Not Clean
Lessonia Nigrescens Extract is the extract of the Alga, Lessonia nigrescens
Family
Apiaceae (Carrot/Parsley family)
Plant Part
Thallus
CAS #
-
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
Lessonia nigrescens is a brown kelp species native to the Pacific coast of South America used traditionally by indigenous peoples for nutritional and medicinal purposes. Modern cosmetic use leverages its mineral and polysaccharide content for skin conditioning.
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