[This review was collected as part of a promotion.] I am an avid coffee drinker and this has helped so much it’s got all the subtle staining off and my teeth look so good! I 10/10 recommend to anyone who drinks coffee

[This review was collected as part of a promotion.] Overall, I’m quite happy with the level of whiteness from pen. After consistent use for a week, I would say that my teeth are at least two shades lighter with minimal sensitivity.

[This review was collected as part of a promotion.] I didn't really have high hopes at 1st but only used it twice and it worked really well for me. I think this will be a repurchase for me. It is a weird feeling when you apply it

[This review was collected as part of a promotion.] I was a little hesitant at first as I wasn’t sure if it would cause teeth sensitivity. I have not had any issues and if you use it consistently then you will notice a small difference.

[This review was collected as part of a promotion.] I dont have any issues with the pen. It was gentle. I didn't have any sensitivity issues when using this. Although it didn't whiten very much, it did whiten a little bit.

[This review was collected as part of a promotion.] I’ve been using this product since it arrived, and although I don’t have my teeth so yellow if I saw a difference, it’s fresh, and very easy to use!

[This review was collected as part of a promotion.] This product gives real results, I used it for 2 weeks and the shine and overall white shade of my teeth changed tremendously. I love the product and will definitely buy in the future!

[This review was collected as part of a promotion.] It made my teeth look a lot more white and bright it didn't have a bad taste to it I would definitely recommend it to everyone I know thank u#influenster and # crest for giving me it free to try

Great! It gave me the refresh that I needed. No irritation to my teeth or gums. I really liked the results. It wasn't too pricey so I was willing to take a risk! Glad I tried it

Very effective product that shows quick results for a cheap price. The flavor is subtle and the packaging is simple. Depending on the to sensitivity, you might experience some pain after using this product.