Alaria marginata
AKA “Winged kelp, Seaweed, Alaria marginata”
Extract
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Ingredient Facts
Alaria marginata
AKA: Winged kelp, Seaweed
Extract · Skin Conditioning | Antioxidant | Humectant · EWG: 4
Plant-Derived
Antioxidant
Humectant
Skin Conditioner
Marine
Extract
Clean
A nutrient-rich seaweed extract that helps hydrate and nourish skin with natural minerals and vitamins.
Plant Part
Thallus
Plant-Derived
Synthetic. Native to USA. Derived from Alaria marginata seaweed thallus, a brown macroalga species native to North American coastal waters. Extracted through solvent extraction or hydration processing to isolate bioactive compounds including polysaccharides and minerals.
Plant Part
Thallus
Function
Skin Conditioning | Antioxidant | Humectant
Benefits
Anti-Aging Benefits
Antioxidant Protection
Locks In Moisture
Traditional Use
A brown seaweed traditionally used in Celtic and Nordic coastal cuisines and skincare for its mineral content, particularly iodine and trace elements believed to support skin health and elasticity.
Skin Types
all-skin-types
Best For
Target
Dullness
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
Verified Feb 2026
Data: CosIng · EWG · CIR