Hyaluronic Acid Boosting Serum 30mlHydration is the non negotiable step for everyone seeking healthy, beautiful skin. The solution isn't just more moistureit's smarter, sustained hydration that works from the inside out. PCA SKIN Hyaluronic Acid Boosting Serum helps to amplify the skins hyaluronic acid levels by 50% within 24 hours, delivering instant and long term hydration.* Benefits: Instant hydration and smoothing on the surface of the skin Deeper hydration and fine line reduction