More than half of Korean women experience brown spots and 30% of them have dull complexion*. Over-production of melanin deep in the skin that triggers brown spots and accumulation of melanin loaded dead cells at the skin’s surface create dull and uneven complexion. Vichy Laboratories has been able to associate the complementary effectiveness of Kojic Acid and pure Vitamin C in an everyday face care : Bi-White. During this file, you can discover the advices of the dermatologist Vichy, the body movements and the range Bi-White. Vichy Laboratories have created a diagnosis which allows to estimate your type of skin and your level of tasks. You can also discover the range BW and the body movements associated to every product * Usage & Attitude study 2000 among 3850 Asian women.