tag:blogger.com,1999:blog-4857474508902511130.post8573047875066371759..comments2023-06-14T03:31:06.313-07:00Comments on tech lore by igor: Crest Whitening Toothpaste--Yuckoigorhttp://www.blogger.com/profile/12087999668155540136noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-4857474508902511130.post-42290577830441531202013-10-14T13:53:12.416-07:002013-10-14T13:53:12.416-07:00Yes, titanium dioxide is a pigment, but I thought ...Yes, titanium dioxide is a pigment, but I thought it might also play a role in the whitening effect due to the fact it is found in many "whitening" toothpastes. But maybe it is just for the consumer's "benefit". None of my friends want to use this toothpaste. I'm probably going to have to throw away all the new, unopened tubes I bought at half-price.igorhttps://www.blogger.com/profile/12087999668155540136noreply@blogger.comtag:blogger.com,1999:blog-4857474508902511130.post-74772895226310780552013-10-14T11:17:36.043-07:002013-10-14T11:17:36.043-07:00I don't think titanium dioxide is a whitening ...I don't think titanium dioxide is a whitening agent; it's merely a pigment, added to foods and other products to impart whiteness and opacity. The whitening agent used in toothpaste is usually sodium bicarbonate.Ericnoreply@blogger.com