An extra-strength serum to brighten, rejuvenate and nourish uneven skin tones. A Natural Hydroquinone Alternative Complex and Gigawhite TM brighten skin’s appearance while lactic acid rejuvenates leaving skin appearing more healthy and smooth. Amplify the effects of the Bright Skin masque or moisturiser by adding one or two drops of this Booster-Serum, or apply directly to the skin before moisturising.