Waterproof Denture Addhesive 12 Hour Holding Power Good Value - 1X per day Zinc Free SECURE is the denture adhesive that is waterproof, this means that Secure will not wash away when you're eating or drinking. It provides an extra strong bonding effect that assures your denture will be fixed to the gum for up to 12 hours. You will enjoy a completely new and natural denture feeling. SECURE gives you the confidence to speak and laugh freely and to eat and drink without worry or embarrassment. SECURE is economical. Free Of Zinc