The serum layer my morning routine was missing until this one showed up 🌊 Biotherm Life Plankton Serum Elixir combines three ingredients that actually work together, Life Plankton for the moisture barrier, vitamin C for the brightening and even tone, and hyaluronic acid for the hydration that lasts through the day. biotherm vitamincserum lifeplankton hydratingserum tiredmombeauty skincareroutine LTKBeauty LTKgrwm LTKmorningroutine