VITIONE C FACE SERUM helps to reduce the production of melanin, which can lead to a more even skin tone and reduce the appearance of dark spots and hyperpigmentation. Glutathione also helps to boost the immune system, which can have a positive impact on the health of the skin. 3-O Ethyl Ascorbic Acid (Vitamin C) is a stable, water and oil-soluble derivative of pure vitamin C (Ascorbic Acid) that offers all of the primary benefits.