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Colgate Optic White Overnight Teeth Whitening Gel Pen, 21 Whitening Treatments, 0.08 oz

Key item features

  • Includes one (1) 0.08 fl oz Colgate Optic White Overnight Teeth Whitening Gel Pen, 21 Nightly Treatments
  • Experience visibly whiter teeth in just 1 week* using this hydrogen peroxide teeth whitener pen (*when used as directed)
  • The Colgate whitening pen features a new precision applicator to easily target the surface of each tooth with the quick-drying whitening gel formula
  • This overnight whitening pen is designed for no tooth sensitivity**, is enamel safe and safe for daily use (**during and after the whitening process)
  • To use, dry your teeth after brushing and paint the whitening gel on each tooth, then let the gel dry overnight and brush your teeth when you wake up
  • For best whitening results, repeat the whitening treatment nightly for 1-3 weeks in a row
Current price is $19.97
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Customer ratings & reviews

4 out of 5 stars
stars2,929 ratings2,008 reviews
How item rating is calculated
  1. 5 stars52% (1,530)
  2. 4 stars19% (566)
  3. 3 stars11% (326)
  4. 2 stars5% (153)
  5. 1 star12% (354)

Reviews summary

Pros

  • : Simple one-step process for easy use.
  • : Produces visible whitening results with regular use.
  • : Provides effective overnight whitening results.
  • : Causes little to no tooth sensitivity.

Neutral

  • : Can be neutral or minty, but also unpleasantly chemical or chalky.
  • : Can be clear and difficult to gauge, but also easy to apply.
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Showing 1-3 of 2,008 reviews

Oct 29, 2025
LK
5 out of 5 stars review

Verified Purchase

This is NOT my first time purchasing this product. Colgate Optic Overnight Teeth Whitening Gel Pen is MY go to when I am looking for quick, easy, and effective teeth whitening. I have tried others. None work as well as this. I am HIGHLY SATISFIED with this product and will buy it over and over again. Thanks, Colgate, and thanks WALMART for making this product available at such a TERRIFIC PRICE and for promptly delivering it to my home SAVING me BOTH TIME and MONEY!

Helpful?44YS141O8UYC786164277
Apr 22, 2026
Deanna
Top Reviewer
5 out of 5 stars review

Verified Purchase

Only on day three and already a noticeable improvement. It's super easy to use, has no taste at all, and as way cheaper than having the dentist do it.

Helpful?44YS141O8UYC786164277
Jan 11, 2026
Ciof6
5 out of 5 stars review

Seller Verified Purchase

Whiter Teeth Overnight!

After one treatment my teeth were whiter. After several treatments my whole mouth was whiter and brighter than they had been in years! I highly recommend Colgate Optic White. Love the product!

Review from shopsmiles
Helpful?44YS141O8UYC786164277