Are teeth whitening products effective?

I think my teeth are turning yellow because I drink coffee often.

I noticed in your last event post that you use teeth whitening products. Are they effective?

I was thinking of giving it a try, too.

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Comments 3
  • Profile Image
    심해군주쿠키
    저 크레스트3d 제품 직구해서 쓰는데 효과 엄청 봤어요 단점은 한동안 이가 시려요 
  • 24566
    미백패치 일주일정도사용하면확실히효과있더라구요
  • borumi038659
    글쎄 잘 모르겠다는 생각이 들더라고요 매번ㅋㅋ 그냥 쓰긴하지만