The Hyalu B5 Suractivated Hyaluronic Acid Serum from La Roche-Posay is a next-generation anti-wrinkle treatment designed to visibly plump, smooth and repair the skin. Powered by breakthrough technology that combines four potent forms of hyaluronic acid, the advanced formula works to deliver both immediate and long-lasting results, helping skin appear firmer, more supple and revitalised. Upon application, the serum creates an instant tightening sensation while restoring tone and enhancing natural radiance. Its fresh, hydrating water-gel texture is enriched with madecassoside and glycerin to deeply hydrate and support the skin barrier, all while remaining gentle enough for sensitive skin.