Special shampoo for thin hair, adds volume. Strengthens and thickens thin hair. Hair becomes more resistant to the effects of the environment. Palmitole myristyl serinate, serine and threonine help to strengthen the inter-fiber layer of the hair root skin, thus giving volume to tight and difficult-to-comb hair. Contains hyaluronic acids of three different molecular weights, which change the structure of the hair and complement hair fibers.