As caffeine is a diuretic it can help to relieve water retention, a major cause of puffiness under the eyes. Formulated with an extremely high-concentration of caffeine and EGCG to deliver a potent blend of antioxidants and anti-inflammatory to the eye area. This serum works hard to brighten dark circles and reduce the appearance of puffiness. The EGCG antioxidant in Green Tea leaves has been shown to protect the most delicate skin from environmental stressors. EGCG is sourced from green tea and has strong anti-inflammatory properties. It has been proven to reactivate dying skin cells. It also constricts blood vessels to reduce discoloration and swelling. The added Matrixyl 3000™ peptide can help reduce the appearance of fine lines and provides smooth texture. The ingredients in this eye serum help reduce signs of ageing around the eyes by calming and toning the thin skin around the eyes and brightening dark circles.