Other Information: Products containing stannous fluoride may produce surface staining of the teeth. Adequate toothbrushing may prevent these stains which are not harmful or permanent and may be removed by your dentist. See your dentist regularly. Misc: 1 tube net wt 4.0 oz (113 g) & 1 tube 2.3 oz (65 g). Proven sensitivity relief. Fluoride toothpaste for anticavity, antigingivitis and sensitive teeth. Whitening gel. 6X healthier improvement (Gingivitis improvement vs. ordinary toothpaste). 6X whitening in 1 week (Improvement vs. ordinary toothpaste). Turn on an [HD] clean! Satisfaction guaranteed or your money back (If you are not satisfied with your results, Crest will send you a pre-paid card in the amount of your purchase. Simply return your receipt and copy of package UPC within 60 days of purchase. Call 1-877-769-8794 for more information). Step 1: purifying cleanser. Step 2: perfecting gel. Recycle tray only www.crest.com. www.pg.com.