Boost your skin’s Vitamin C intake with our Vitamin C Activating Squares – a skin-enhancing dissolvable square that was a beauty industry first. Be sure to use at night, 2-3 times a week. After cleansing dissolve the square in the palm of your hand with a few drops of water, add a serum and apply to your skin. Skin looks more radiant and even-toned and an improvement in the appearance of fine lines and wrinkles. DO NOT mix with acne products or spf.