Gaviscon cool works in the same way as gaviscon original however it also contains xylitol an ingredient you often find in chewing gums that can provide a cool refreshing feelyou may particularly appreciate this cool flavour if your symptoms include a bad taste in the mouth like gaviscon original it tends to work very quickly and has a soothing effect offering relief for up to four hours gaviscon cool comes in a liquid form as chewable tablets or in a pocket size handy pack perfect for