Blue Retinol = Pure Retinol + Life Plankton New Blue Retinol is a high functional association of 1% Life Plankton + 0,25% Pure Retinol that is in total bio-affinity with your skin. So efficient, 100% of women saw reduced wrinkles. Reveal a more even and smooth skin. #Biotherm #BlueRetinol #Antiaging #NightSerum #Retinol​