22:23
[Absolutely do not do this] This way of holding your toothbrush is not OK!
15:42
[Caution] Using interdental brushes without thinking can lead to dangerous consequences...
35:53
【強烈な口臭は青酸カリに匹敵】科学的に最強の口臭対策／フロスは順番が大事／マウスウォッシュの正しい使い方／口臭の原因は歯周病／歯磨き粉の選び方／正しい舌磨き／【BODY SKILL SET】
36:36
[Permanent Edition] Practical explanation of the ultimate tooth brushing method to prevent period...
20:32