牙膏其實就是石粉，這是真的嗎？
這是真實的！
為了清除牙斑與牙垢及磨光，會在牙膏中添加研磨劑，這個研磨劑就是石粉。
雖然說是石粉，但是我們看牙膏的成分，矽、二氧化矽，鈣，仔細了解下就會發現，這些所有其實都是石粉成分。
牙膏中的各個成分
更新时间：2024-09-29 10:19:20
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