Brightening extra strength serum and product enhancer with Natural Hydroquinone Alternative and Gigawhite™. Eminence Organics Bright Skin Licorice Root Booster-Serum diminishes dark spots without irritation using two plant-derived actives, Gigawhite and a natural hydroquinone alternative. Infused with vitamins C and E, this brightening serum smooths the skin while defending against free radicals. With daily use, you'll notice a more even and luminous complexion. Soy- and nut-free.