We've developed a skin brightening serum that is truly brilliant in its ability to normalize skin tone, while helping to visibly soften the appearance of age spots. Our Lemon Skin-Brightening Serum for Day and Night is a truly luminous blend of Lemon, Japanese Mandarin, Licorice and Mulberry. Regular use brings forward your skin's radiance, brightness and tone. It's the perfect way to lighten up.