Seaweed and algae are frequently used in cosmetic preparations as they have a high mineral content and are rich in antioxidants.
They also contain compounds which have tightening effect on the skin.
Seaweed is the first ingredient in ”Creme de La Mer” the world´s most expensive face cream. It costs £ 530 a pot. Creme de La Mer – the name literally means ”cream of the sea”.
Our skin is a porous membrane that maintains moisture equilibrium, and regulates body temperature by allowing fluids and heat to travel back and forth. The properties from face cream ingredients such as seaweed, are carried in lipids of the skin cream, and thus penetrate the lipid bi-layers of the skin.