專業產品含有 Carbamide Peroxide 的白齒劑，刷牙時產生的雙氧水也是 3%的濃度。。。

來源: 禦用文人於 2014-04-06 18:10:42 [舊帖] [給我悄悄話] 本文已被閱讀：次

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