A method of improving mouthfeel and masking perceived astringency and undesired off-notes imparted by a consumable composition or additive, including the step of adding to the consumable or additive an astringency-masking amount of hyaluronic acid and/or salt thereof, wherein the hyaluronic acid and/or salt thereof has an average molecular weight of at least 500 kDa. Additionally disclosed is a food or beverage additive comprising at least one astringent component and an astringency-masking amount of hyaluronic acid and/or salt thereof. Further disclosed is a consumable composition comprising a consumable base, at least one astringent component and an astringency-masking amount of hyaluronic acid and/or salt thereof.