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    Philips Support

    When will I have noticeably whiter teeth?

    Published on 2022-02-08

    In a clinical study, Philips Sonicare teeth whitening products were shown to noticeably whiten teeth after just 3 days of use, when used as directed. Full results were visible after 9 uses.

    Philips Sonicare Advanced Gel (9.5% hydrogen peroxide) was shown to whiten teeth by up to 5 shades after 9 uses. Meanwhile, 
    Philips Sonicare Caring Gel (6% hydrogen peroxide) was shown to whiten teeth up to 4 shades after 9 uses.

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