Seems a good price for 95p delivered to a store of your choice.
They are various other toothpastes and dental products as well.
List here: http://www.tesco.com/direct/health-beauty/dental-care/cat3376644.cat?sortBy=3&catId=4294961847
Blurb off the website
"Colgate Sensitive Pro-Relief + Enamel Repair toothpaste provides instant and lasting relief for sensitive teeth. Its clinically proven formula builds a reparative layer that acts like a seal, helping to repair sensitive teeth. By plugging the exposed channels that lead to sensitive tooth nerves, the toothpaste blocks the pain and provides acid erosion protection."