What it is
This ingredient is a combined extract from two brown seaweeds, Saccharina angustata (a kelp) and Undaria pinnatifida (wakame). Brown algae extracts contain polysaccharides, minerals, and antioxidant compounds, and are used in cosmetics to condition the skin and help support hydration. It is commonly found in moisturizing and sun care formulas, often at low levels among other botanicals.
Safety & warnings
Seaweed extracts are generally well tolerated in cosmetics. Because they are sourced from marine algae they naturally contain iodine and minerals; reactions are uncommon at the low levels typically used.
Origin & sourcing
Marine-derived. It is prepared by extracting the brown seaweeds Saccharina angustata and Undaria pinnatifida, typically using water or glycerin-based solvents.
Questions everyone asks
What is this seaweed extract for?
It is a brown-algae extract used as a skin-conditioning and hydrating ingredient that also contributes antioxidant compounds.
Is Undaria pinnatifida the same as wakame?
Yes. Undaria pinnatifida is the seaweed commonly known as wakame.