Institut Esthederm Intensive Vitamin C2 Dual Concentrate Face Serum For Dark Spot & Uneven Complexion is specially formulated to address hyperpigmentation, uneven skin tone, and dullness. It is an antioxidant facial serum with a double dose of vitamin C, which brightens, evens out and prevents skin aging. It is the 1st antioxidant serum with two forms of stabilized vitamin C for double antioxidant action, 10% pure and activated vitamin C + 2% prolonged release pro-vitamin C. Ascorbic acid (pure vitamin c) is the component which provides immediate action, helping to reduce the appearance of dark spots and restore skin evenness. Ascorbic acid is known for its antioxidant properties and its ability to brighten the complexion. Ascorbyl glucoside (derived vitamin C) - 2% is the form of vitamin C offers long-lasting action, contributing to the serum's efficacy over time. It works in synergy with pure vitamin C to provide comprehensive benefits for the skin. Additionally, the formula contains a cellular water patent, which is described as a booster of skincare efficiency. Cellular water is said to optimize vitality and help prevent the loss of youth capital in the skin. In summary, the Esthederm Intensive Vitamin C2 Dual Concentre Face Serum aims to deliver both immediate and prolonged benefits for the skin, addressing issues such as dark spots, uneven skin tone, and dullness. The combination of two vitamin C forms and the unique dual-compartment packaging are intended to enhance the serum's overall effectiveness.