Hydra Summum, highly concentrated in Hyaluronic Acid, is a treatment for dehydrated skin that works deep down to rehydrate, plump and restore radiance to skin lacking moisture. Thanks to Guinot’s expertise and its high-performance hydrating active ingredients, this treatment provides intense hydration for dehydrated skin. Hydra Summum helps smooth dehydration lines and restore skin comfort. This Guinot treatment reveals skin that is more supple, fresh and visibly revitalized.