The present invention relates to a composition which includes at least one hyaluronic acid, optionally cross-linked, or one of the salts thereof, and at least one sucrose octasulphate water-soluble salt, to the methods for manufacturing said composition as well as to the use of said composition for the formulation of a viscosupplementation composition, for the formulation of a composition for filling wrinkles or for the formulation a cosmetic composition.