Hydra Osmosis Day cream contains 4.4% Hyaluronic acid and is the second strongest in the world, only beaten by our Rewind day cream. Hyaluronic acid is found naturally in the skin, it is responsible for drawing in water from the air to keep our tissues hydrated, it helps with the synthesis of elastin and collagen in the skin, as we age hyaluronic acid decreases and wrinkles form. Our hyaluronic acid creams replenish the tissues allowing water to hydrate the skin, firming, plumping and leaving your skin looking youthful, it has been described as a face lift in a jar. Because of the way in which the product works it can extend the life of anti wrinkle injections. It contains an SPF which protects your skin from the harmful rays of the sun.