Effectively reduces 4 different types of discolorations ? dark spots, post-acne marks, dullness and uneven skin tone in 19 days*. Formulated with Activated C plus White Birch and Peony Extracts, this efficacious formula is dermatologist-tested for safety and gentleness on all skin types, including sensitive Silicone-free, paraben-free, fragrance-free No colorants and no optical diffusers Clearly Corrective DARK SPOT SOLUTION is a fast-acting serum that evens skin tone and diminishes dark spots to impart overall radiance and luminosity to the skin: In as little as 2 weeks, 55% of women clinically demonstrated a significant reduction in dark spot intensity. In 4 weeks, 69% of women clinically demonstrated a continued reduction in dark spots intensity and 73% of women showed a significant reduction in acne scarring. Reduction in other skin discolorations was clinically evident among 69% of women. In 8 weeks, 87% of women clinically demonstrated more uniform skin tone t