9 Best Teeth Whitening Kits and Products of 2022 | 藥妝百科

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There are four main types of at-home teeth whitenining products: whitening strips and trays, LED light devices, pens or gels and toothpastes. "The effectiveness of at-home teeth whitening products can vary from person to person, and what works best for one individual may not yield the same results for another," Dr. Katz notes. Heres a guide to what differentiates each of the options and how they function so you can choose the right form for you, according to the dental experts:

✔️ Whitening strips and trays: These kits contain a plastic strip, tray or mold, which is used to apply the bleaching ingredient hydrogen peroxide directly to teeth. Each session lasts 30 minutes to two hours (follow the directions on the teeth whitening kits packaging for how to use), so results can be visible in one day, though youll need up to three weeks of repeated ap...