Comments
  • Katherine l Meacham May 23, 2016 at 5:51 pm

    i got this toothpaste in a 5 dollar walmart box of samples have been using for awile but no difference is found !

  • Barry Stevens January 10, 2018 at 11:14 am

    I have been using a competitive whitening toothpaste with marginal results at best. Visited my Mother-In-Law and realized I forgot my toothpaste. She was using Colgate’s “Optic White – Whiter Teeth in 1 Week Sparkling White” toothpaste. So reluctantly I used it. My first sign it was working was with my night tooth guard, which I coat after removal in the morning. Within a few days the yellowed acrylic guard actually turned frosty white. Then yes, my teeth actually got noticeably whiter. I still find this hard to believe. I have a Ph.D. in Chemistry, worked in the medical device industry and highly skeptical of all unsubstantiated claims / advertisements made by manufacturers of miracle drugs and topical aids. Nevertheless, what I was stated above is my actual experience, truthful and unsolicited.

    • Louise Krekic March 23, 2021 at 3:20 am

      I also studied chemistry and know that a mixture of peroxyde and baking soda whitens teeth, and there is a paste in US that has both in it. No one sells it in my town in BC. But I think that most toothpastes actually contain a small amount of both. So I dont see why this isnt believable !

  • Cindi Silvestri August 25, 2019 at 3:44 pm

    I am looking at a coupon for the Optic White and it claims “4 shades visibly whiter”. But in order for me to buy a new tube, I am still waiting for the tube I have to do this trick. It has been six months and my teeth are still visibly not whiter!
    And sorry Barry, do not believe you.

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