Crest® Sensi-Relief™ Whitening Clean Mint Toothpaste. Same clinically proven active ingredient as Sensodyne™†. For sensitive teeth and cavity prevention. Maximum strength* sensitivity relief. Uses:. When used regularly, builds increasing protection against painful sensitivity of the teeth to cold, heat, acids, sweets or contact. Aids in the prevention of cavities. Maximum strength* sensitivity relief + the power of Crest whitening. *Maximum level of FDA sensitivity active ingredient. †This product is not manufactured or distributed by GlaxoSmithKline, distributor of Sensodyne.