Institut Esthederm Intensive Hyaluronic Acid Face Serum is a hydrating and plumping luxurious serum formulated with Intensive Hyaluronic Patent that combines 3 forms and sizes of hyaluronic acid to effectively act on all skin layers.The formula is built on the signature Cellular Water Technology, that mimics the composition of the water present in our skin cells and optimises cellular energy to the level of young cells.