Additional Details ------------------------------ Product description: Tooth Sensitivity? No Chance!Receding gums and damage to your enamel can expose thousands of microscopic channels which lead to your tooth?s centre. When your teeth make contact with something cold, hot or sweet, sensations are carried down these channels directly to the centre, causing tooth sensitivity. Colgate Sensitive Plus toothpaste gives instant relief from pain with its unique PRO-ARGIN Technology While most sensitive toothpastes primarily numb sensitivity, Colgate Sensitive Plus builds a calcium-rich layer that plugs the exposed channels to protect sensitive teeth from sudden shocks of pain, instantly