This silky, fast-absorbing treatment powered by 3 forms of vitamin C, lactic acid, and tranexamic acid is clinically proven to visibly firm the delicate eye area and reduce the appearance of puffiness, dark circles, crepiness, and fine lines in just 1 week. Clinical Results: In a clinical study of 32 subjects ages 30-65 years: 90% of subjects showed a significant improvement in hydration immediately 93% of subjects showed a significant improvement in radiance after 2 weeks 85% of subjects showed a significant improvement in dark circles after 2 weeks | Dr Dennis Gross Skincare Vitamin C Lactic Firm and Bright Eye Treatment, 0. 5 fl oz | Dermstore