Discovered by a European Dentist: Secure is a patented non water-soluble denture adhesive that won't wash away while eating and drinking and is ZINC FREE. Secure forms a long-lasting bond between the denture and the gum. It's so strong it lasts up to 12 hours. Healthy because it doesn't leak into your stomach powerful because it doesn't wash away.....the secret: it's non water-soluble.Other products from HerbsPro