Colgate Sensitive Pro-Relief Multi Protection Toothpaste for instant and lasting relief. Where does sensitive tooth pain come from? - Receding gums and damage to your enamel can expose thousands of microscopic channels which lead to your tooth's nerve centre. - When your teeth make contact with something hot, cold or sweet, sensations are carried down these channels directly to the nerves, causing pain. Open tubules are the pathway to sensitivity pain. Exposed dentine tubules. Blocked tubules protect against pain from sensitivity. How does Colgate Sensitive Pro-Relief Multi Protection work? - It works by plugging the channels that lead to sensitive tooth nerves, to block the pain. - With regular use, it builds a long-lasting protective barrier that acts like a seal against sensitivity. This toothpaste provides instant and lasting relief and with regular brushing helps: - Fight Cavities. - Remove Plaque. - Promote Gum Health. - Strengthen Enamel. - Remove