Hyaluronic Acid is a substance that naturally enriched in youthful skin. It acts by binding to surrounding water molecules and thereby giving it the volume and hydration to the skin, which at the same time promoting the softness and fullness to the face and lips. As we age, the Hyaluronic Acid in our body started to have a lesser infinity of an effect, leading to a loss of volume and fullness which translate to facial wrinkles and thinner lips. When the Hyaluronic Acid is injected into our body, it would eventually being absorbed and broken down naturally overtime. Therefore, results typically last from a range of 3-6 months in very mobile areas, such as the lips, up to a year in regions, such as the nose or cheeks. The type of Hyaluronic acid used by Dr. Jennifer Lai for lip augmentation does have clinical evident to be lasted as long as a year. Hyaluronic Acid Filler has now becoming a very popular and safe cosmetic treatment option and estimated over 30 million people have been treated with this product.