The invention relates to a liquid oral care composition that is a mouthwash, mouthrinse or a spray comprising:• 0.005 to 1% w/w chlorhexidine or a salt thereof;• arginine or a salt thereof; and• a zinc salt.The invention also relates to the use of arginine or a salt thereof for stabilising chlorhexidine or a salt thereof in a liquid oral care composition that is a mouthwash, mouthrinse or a spray.