Trilogy Hyaluronic Acid Ultra Serum 30ml deals Sustainably sourced from Antarctic krill Sustainably sourced from Antarctic krill under strict environmental regulations which is a compound used in energy production and by many proteins this certified natural advanced multi layered formulation harnesses three skin identical hyaluronic acids to penetrate for a plumped and hydrated complexion: • Medium – surface layer of epidermis • Low – penetrates the stratum corneum • Extra low – granular layer of epidermis This formulation also heroes a multi faceted natural active called Glycloin shown to provide 8 hours of hydration after just one application* It also works to increase skin elasticity