Kiehl's Since 1851 Powerful-Strength Dark Circle Reducing Vitamin C Eye Serum Tackle darkness and fine lines with Kiehl's Since 1851 Powerful-Strength Dark Circle Reducing Vitamin C Eye Serum ($50) that adds in tripeptides to nourish the under-eye area (and reduce brown and blue dark circles, too). Image Source: Sephora Kiehl's Since 1851 Powerful-Strength Dark Circle Reducing Vitamin C Eye Serum $50 from sephora.com Buy Now