Frequently Asked Questions
- Does the Colgate Optic White Overnight Teeth Whitening Pen contain any animal-by-products?
- Why is there alcohol in the formula?
- Is the Colgate Optic White Overnight Teeth Whitening Pen sugar free?
- Is the Colgate Optic White Overnight Teeth Whitening Pen gluten free?
- Is the pen recyclable?
- Do you test on animals?