Life Plankton Essence by Biotherm is the first step of the beauty routine to nourish dry skin. This high efficacy essence contains the highest concentration of the Life Plankton™, a rare natural living ingredient with extraordinary skin healing powers. Urban life and pollution slow down skin's self-defense, making skin weak, rough, and dry. Isolated & amplified through a natural bio-fermentation process, this powerful essence regenerates skin from urban aggressions and can make your skin look younger, clearer and brighter. In just 28 days, your skin's outer layer will be renewed.