Question : How long will it take to see results?
Answer : Users have reported seeing results in as little as 3 days. When used as directed for 10 days, results can be dramatic.
Question : Is it safe to use on tooth enamel?
Answer : Yes, the serum is safe on tooth enamel and is designed to provide results with no tooth sensitivity.
Question : Is the LED device compatible with all smartphones?
Answer : The LED device is compatible with iPhone and Android smartphones. It plugs into your smartphone for easy and portable use.
Question : What percentage of peroxide is in this pen?
Answer : This product does not provide information about the percentage of peroxide.
Question : Does this pen work with iPhone?
Answer : Yes, our Pro Series kit is compatible with iPhone.
Question : What is the difference between this product and the Colgate Optic White overnight teeth whitening pen for $19.97?
Answer : The $19.97 version is a single pen pack, while the one priced around $45 is a 2 pack.
Question : Can this product be used with aligners?
Answer : The Teeth Whitening Serum needs to make direct contact with the teeth, so if you have braces or aligners, please consult with your dentist first.
Question : Will this whiten tooth root exposure?
Answer : Consult with your dentist to determine the best course of treatment for whitening tooth root exposure.
Question : How can I confirm the authenticity of the product? I noticed a typo on the box.
Answer : Authenticity may depend on the seller. Please contact the seller to address any concerns about product authenticity.
Question : How much whiter would my teeth be after one application?
Answer : Results may vary, and you may not see a noticeable difference after just one application. For best results, use the product for 10 minutes a day for 10 days.
Question : Is the ingredient different from express? What is the difference between express and overnight?
Answer : There is no information provided about the ingredient differences or specific variations between express and overnight products.
Question : Is it safe to leave the product on for longer than 10 minutes?
Answer : It is not advised to use the product for more than 10 minutes per day, as it is designed to be used as directed.