Offering the heroic hydrating properties of hyaluronic acid this oil-free treatment penetrates deep into skin layers to deliver intense, long-lasting moisture that swiftly smooths and perfectly plumps. This lightweight serum is enhanced with vitamin B5 to increase its efficacy thus leaving skin hydrated & moisturized. pH: 6.00-7.50 Hyaluronic Acid is found naturally but does not provide hydration in skin functions. This product uses different molecular structures of Hyaluronic acid that are penetrable & provide multi-depth hydration without short term visible plumping. Extremely hydrating formula that deeply hydrates skin as it has Hyaluronic Acid and Vitamin B5 which helps in keeping skin moisturized over a longer period of time. Important Notice: The Ordinary products are free of sulfates, parabens, animal oils, coal tar dyes, formaldehyde, mercury, oxybenzone, mineral oil, methylchloroisothiazolinone, methylisothiazolinone, SLS, SLES & less than one percent of synthetic fragrances. All these ordinary products are coming from authorised suppliers of Deciem. Currently all our ordinary shipments are from Korea and due to regulation authorities in Korea, the product has the native/local language on it.