Paula's Choice Hyaluronic Acid Booster is a hydrating facial gel for all skin types. From the first use, this liquid gel leaves skin visibly softer and smoother, giving it a younger appearance. The gentle formula restores skin's moisture balance and smoothes fine lines without leaving an unpleasant feeling of tightness. This hyaluronic acid booster contains: una A concentrated blend of hyaluronic acid, which smooths the skin, and replenishing ingredients such as ceramides, which instantly hydrate and keep it hydrated for a long time. Ceramides are the main components of the outer layers of the skin and are essential for their ability to retain moisture, but also for their plumping and regenerating properties. In addition to this miracle molecule for our skin, the Hyaluronic Acid Booster also contains panthenol (vitamin B5, which can attract and retain moisture in the skin, improving its look and feel) and hyaluronic acid (a vital component of skin tissue, capable of plumping the skin, increasing hydration, soothing, and preventing moisture loss).