Other Information: (Step 1 Purifying Cleanser): 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: Fluoride toothpaste for anticavity, antigingivitis and sensitive teeth & whitening gel. 1 tube net wt [0.85 oz (24 g)] & 1 tube net wt [0.68 oz (19 g)]. 6X health improvement (gingivitis improvement vs ordinary toothpaste) 6X whitening in 1 week (improvement vs ordinary toothpaste). www.pg.com. www.crest.com.