A close up view of the applicator on CO. by Colgate's It's Lit Overnight Whitening Pen.

It’s Lit - Overnight Teeth Whitening Wand

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A stroke of brilliance. Apply this click-and-brush-on teeth whitening serum to your teeth every night and let it do its work while you catch your zzz’s. Wake up with a more megawatt smile*!


  • Whitens while you sleep
  • 3 shades whiter in 2 weeks*
  • Designed for no tooth sensitivity*
  • 35 treatments
  • Enamel-Safe / Vegan / Sugar-Free / Gluten-Free

*Use as directed

How to Use

  • Pat teeth dry with a tissue
  • Click wand until a drop appears (FYI: first use may take up to 20 clicks)
  • Brush a layer to the top row of teeth (FYI: 1-2 click of serum is enough for 4 teeth)
  • Wait 10 to 15 seconds 
  • Repeat on bottom row (FYI: A tingling sensation is normal. To avoid it, keep the wand away from gums.) 
  • GOOD MORNING! Brush teeth to remove film


Alcohol (Solvent), Acrylates/Octylacrylamide Copolymer (Polymer film former), Water (Solvent), Hydrogen Peroxide (Whitening agent)