After more than fifteen years of research, Givenchy Laboratories have decoded and bring to light the secret of survival of a millennial alga with prodigious regenerative capacities and have managed to extract a precious concentrate which preserves the mechanisms essential to youth of the skin: the Black Sap of Vital Algae. The exquisite black gel formula of Le Rituel de Nettoyage provides a refined cleansing experience combining the revitalising power of Black Sap of Vital Algae with a duo of natural French clays that purify the skin while respecting its biological balance.