Phytoceramides are lipids (sphingolipids) that are extracted from plants. These 100% natural vegetal ceramides that perform the main skin barrier function (by preserving moisture in the derma) moisturise the skin effectively. Ceramides are present in all skin cell membranes and the outer skin layer, called the epidermis. Food supplements containing natural vegetal ceramides allow for restoring ceramide resources in the skin, which get depleted with age and due to external factors (pollution, sun).