Maximum strength sensitivity relief. Fresh from the dentist feeling of clean. Maximum strength sensitivity protection. Long lasting protection with proper use. Low abrasion formula is gentler on enamel. Fluoride formula remineralizes, strengthens, and protects teeth against cavities. Whiter teeth with one tube! With a fresh mint taste! Arm & Hammer Sensitive helps reduce painful sensitivity of the teeth to cold, heat, acids, sweets or contact. A decrease in sensitivity should occur within the first 2 weeks of regular brushing and improve with continued use. How it works: Sensitive tooth - ouch! Desensitizing Ingredient - treats pain. Baking soda - gently cleans & whitens. Fluoride - strengthens enamel.