What it is
Eisenia arborea is a brown alga, commonly called sea palm, and its extract supplies polysaccharides, polyphenols known as phlorotannins, and minerals. In skincare it is used as a marine skin-conditioning agent that helps support hydration and provides antioxidant character. It is generally incorporated at modest levels as part of a botanical or marine-extract complex.
Safety & warnings
Marine brown-algae extracts such as this are generally well tolerated on skin at cosmetic use levels. As with any botanical, sensitive individuals can occasionally react. It is not considered comedogenic.
Origin & sourcing
Natural. It is a marine extract derived from the brown seaweed Eisenia arborea, harvested from coastal Pacific waters.
Questions everyone asks
What is sea palm extract?
It is an extract of the brown seaweed Eisenia arborea, used in cosmetics for skin conditioning and antioxidant support.
Why include a seaweed extract in sunscreen?
Brown-algae extracts contribute conditioning polysaccharides and antioxidant polyphenols that complement the feel and character of the formula.