Contrast PM PLUS - 36% Carbamide Peroxide with 3% Potassium Nitrate<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> 36% Carbamide Peroxide for fast whiteting </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> 3% Potassium Nitrate to reduce sensitivity </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Safe whiteting gel </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Latest expiration date guaranteed </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/416rEvqFAJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/416rEvqFAJL.jpg" noproxy>