Colgate sensitive pro-relief contains the breakthrough pro-argin technology, proven to provide instant and lasting relief from tooth sensitivity1. The short, sharp and unexpected pain that 1.7 million of adult new zealanders can suffer from2 is triggered by eating or drinking something hot, cold, sweet or acidic. Tooth sensitivity is usually caused by dentine on root areas exposed due to receded gums or periodontal disease. The colgate sensitive pro-relief formula allows sufferers to enjoy lifes pleasures by plugging the channels that lead to sensitive tooth nerves, instantly blocking the pain. For long lasting relief, brush twice-daily. With regular use, it builds a long lasting protective barrier that acts like a seal against sensitivity.