Clearly CorrectiveTM dark spot solution is the first Kiehl's serum that promotes youthful clarity while helping to reduce the appearance of dark spots, discolourations and hyperpigmentation. Enriched with Activated Vitamin-C, Peony Extract and White Birch Extract. The results are clear, an effective year-round solution for more even looking skin tone and overall clarity. See visible results in just 8 weeks! 87% of women clinically demonstrated more even skin tone 90% of women clinically demonstrated a reduction in discolourations 89% of women clinically demonstrated a reduction in dark spot intensity