The Twilight BeCalm Serum. The secret of soften and plump skin... Key ingredients Coenzyme q10 - strong antioxidants to reverse damage from the sun. Bakuchiol - boost cell renewal. Hence plumper and smoother skin Sea buckthorn CO2 extract Even skin tone. Plump skin from inside out. CO2 extract is the purest method to extract plant medicine. Most of our oils in the Twilight serum are CO2 extracts.