Biotherm Life Plankton Essence Fundamental Skin Treatment (All Skin Types) has the following features: The key to Biotherm’s skincare expertise, Life Plankton™ is infused at the highest concentration for the first time in this formula. Life Plankton™ is a micro-organism with extraordinary regenerative properties. This essence is as actively concentrated as a serum, yet as lightweight as a cosmetic water for maximum absorption and deep-working effectiveness. Created to be the 1st step of every beauty routine, this breakthrough texture, that applies like a cosmetic water and transforms into the lightest of serums, works as a miracle essence.