If you need denture adhesive. only the best will do! Secure Denture Adhesive, for Zinc free denture cream with 12 hours of holding power. The best is only a click away! Conventional adhesives work by thickening saliva to improve suction between the denture and the gum. The dentures hold only by suction. Being water-soluble, these fixatives can dissolve and wash away when you're eating and drinking, causing dentures to slip and slide. Discover a completely new and natural denture feeling with Secure Denture Adhesive Cream.