Brown seaweed. Contains condensed polysaccharides with (65%) concentration of alginic acid (18-28% of the dry matter) capable of absorbing hundred times it own water weight. Rich in mineral substances, iodine in particular, and vitamins. The abundance of polysaccharides, organic and mineral iodine, vitamins, have moisturizing, revitalizing, detoxifying and slimming properties. According to some research, there is antibacterial activity due to the squalane content.