Repair & Protect Sensitive Whitening Toothpaste for Sensitive Teeth, 3.4 oz .Sensodyne Repair & Protect Deep Repair, powered by NovaMin, helps to repair deep inside the dentine, helping restore a protective mineral layer over exposed dentine. Sensodyne Repair & Protect Deep Repair clinically proven to relieve sensitivity,  with twice daily brushing it deeply repairs** sensitive areas so you can enjoy life without the worry of sensitivity.