SPR C DRK CIRCLE BRGHT EYE SERUM 0.5OZ. Benefits: This lightweight and refreshing gel-serum targets discoloration with a potent, stabilized form of Vitamin C suitable for use around the eyes, plus Guava Leaf Extract and brightening botanicals correct the look of both blue and brown dark circles, while visibly firming this delicate skin. Visibly correct stubborn, dark under-eye circles with the power of Vitamin C. Ophthalmologist tested. Research Results: After just 4 Weeks*. 93% reported dark circles looked improved. 90% reported eye area looked less tired and fatigued. 90% reported eye area looked firmer. Key Ingredients: Guava Leaf Extract. Vitamin C.