黑人牙膏有加研磨劑,會傷害牙齒表面琺瑯質? - 美容

By Andy
at 2009-05-17T00:00
at 2009-05-17T00:00
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請問黑人牙膏有加研磨劑,會傷害牙齒表面琺瑯質嘛?我知道刷牙要垂直刷,否則會傷害牙齒表面琺瑯質但是,研磨劑也會傷害琺瑯質嘛?謝謝您的回答...Showmore
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By Queena
at 2009-05-19T23:38
at 2009-05-19T23:38
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