NEW Colgate Optic White Overnight Whitening Pen, reverses 15 years of stains* while you sleep! It’s enamel safe and simple to use in just 4 steps. Our Overnight Whitening Pen contains an invisible serum and a precise applicator that makes application easy and mess-free. And with enough serum to last for 35 nightly treatments, you’re covered for more than a month of nightly whitening. Sweet dreams and happy whitening!
* After 3 weeks continued use, stains caused by food and drinks