Thin, translucent skin around the eyes is more likely to show discolouration and signs of ageing. Vitamin C is especially important for the delicate area because delivers enhanced antioxidant defense for brighter, healthier-looking skin. The Murad Environmental Shield Vita-C Eyes Dark Circle Corrector is formulated to target multiple types of dark circles: - Blue/purple: Low microcirculation and thin skin around the eyes increases visibility of unoxygenated blood (which is blue). - Brown: Sun damage, irritation and genetics can result in hyperpigmentation. - Red: Triggered by inflammation, irritation and allergies. Results after 2 weeks: 86% saw brighter eye area skin After 6 weeks: 85% saw a reduction in dark circles Murad is a PETA certified cruelty-free brand; they do not test any of their products on animals.