史低！Crest 3D Whitestrips 佳洁士美白牙贴22贴仅$29.99

说实话，我自己之前买了一盒，我觉得是有用的（仅个人体验）。不过这个是认真看有稍稍变白，不要期待惊天大变化，这是不可能的

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