Saccharina longicruris extract
AKA “Oarweed Extract, Arctic Kelp Extract”
Extract
Ingredient Facts
Saccharina longicruris extract
AKA: Oarweed Extract, Arctic Kelp Extract
Extract · Humectant · EWG: 4
Plant-Derived
Humectant
Skin Conditioner
Marine
Extract
Not Clean
Saccharina Longicruris Extract is the extract of the alga, Saccharina longicruris, Laminariaceae.
Family
Laminariaceae
Plant Part
Thallus
Form
Liquid
See origin →
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
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 North Atlantic kelp species traditionally harvested by indigenous and coastal communities. Used in traditional practices for its mineral richness and believed skin-conditioning properties.
Skin Types
●all-skin-types
Best For
Dullness
Pregnancy & Breastfeeding Safe
Yes
Verified Jun 2026
Data: CosIng · EWG · CIR