NOW Solutions Glutathione Skin BrightenerTM is a combination of two clinically validated ingredients that nourish from within to give skin a healthy glow. First, glutathione helps to maintain the normal expression of skins pigment, which can result in a bright and even skin tone and helps to maintain the skin’s natural moisture content and elasticity. This is a plant extract highly concentrated in phytoceramides, which has been shown to moisturize skin from within and to maintain a youthful skin appearance.