Vitamin C Brightening Serum is a lightweight and oil-free pro-radiance serum. It contains 6% Illumiscin and 3% Stay-C® 50, two forms of stabilized Vitamin C, to reduce the appearance of age spots, for a brighter and more even skin tone. Brighten and illuminate the appearance of tired skin.Brighter and more even skin toneReduced appearance of age spotsGlowing and smoother skinUse:Apply the serum, morning and/or night, by gently smoothing it over face and neck. Balance Active Formula Vitamin C Brightening Serum 30 ml