Ever felt bogged down by beauty jargon? On a mission to make premium skincare easier to understand and accessible to all, The Inkey List translates the technical elements of all those ingredients everyone’s talking about into layman’s terms. Known to hold four times more moisture than hyaluronic acid, polyglutamic acid is naturally found in skin and works to maintain its moisture levels. This serum is formulated with a 3% polyglutamic acid complex to promote hydration and forms a moisturising film on the skin to help smooth out the look of lines.| 'The Inkey List Polyglutamic Acid SerumApplication: Use AM and PM. Apply a pea sized amount to cleansed face and neck, avoiding the eye area. Use after serums and before moisturiser30mlFor hygiene reasons, this product cannot be exchanged or refunded, unless faulty.'