L"Oréal Paris Youth Code Instant Rejuvenating Eye Essence leverages on breakthrough PRO-GENTM technology after 10 years of research, which activates a specific gene to help boost skin"s recovery power against environmental stress, fatigue and skin ageing. Combined with DRAINBOOSTTM, it promotes micro circulation and reduces dark circles visibly.L"Oréal Paris Youth Code Instant Rejuvenating Eye Essence immediately moisturizes the eye area intensely and soothes fine lines; after one week, dark circles and eye bags are reduced, revealing brightness; after one month, the eye area is revitalized with a younger look.