市售美白牙齒產品有沒有副作用?是否真的有效?

You need to understand their 活性成分 lor. For example: 單氟磷酸鈉、水合氧化矽, 山梨糖醇, 氧化鋁, 甘油, 焦磷酸鈉, 矽靈*,泊洛沙姆338*, 泊洛沙姆407*, 聚乙二醇-12, 纖維素膠, 二氧化鈦, 糖精鈉, 烷基硫酸鹽, 香味劑

The above are good for 美白牙齒. I know where to buy. Email me if you're interested. [email protected]

介紹你用大S推介的美白牙粉,真係白架,冇呃你 ^^ 好多人用過都讚好呢!

香港呢度有得賣,又平又大盒, 有排用 ^^ !
http://hk.user.auctions.yahoo.com/hk/show/auctions?userID=kakahealthcare&u=:kakahealthcare&clf=2