HAKU is Shiseido’s top brightening product series. Shiseido, one of the top three brands in Japanese cosmetics, created the Haku brightening series, developed through over 100 years of skin research with advanced pigment spot prevention. This beauty serum prevents dark spots and freckles while creating clear, dewy skin with a rejuvenated, translucent appearance with 4MSK and m-tranexamic acid.