টুথপেস্টের প্রধান উপাদান কোন দুটি?

Please check these topics first.

    Administrator Member Since Oct 2016
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    Oct 19, 2012 07:33 AM 1 Answers
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    AnswersBD Administrator Jul 21, 2014 12:41 AM
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    নিচে দেওয়া হলো…….

    ১। Abrasives,

    ২। Fluorides,

    ৩। Sodium Lauryl Sulfate

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