1.It is produced by hundred-year-old store Beijing Tong Ren Tang which was founded in 1669
2.It is pure Chinese herbal green and safe formula, without any chemical additive,hormone, residue or toxicity and side effects,very heathy. Effective canker sore treatment.
3.Never make your teeth brown like other products, easy to use,just apply product on the sores with cotton swabs,2-3 times for per day,especially on the night before sleep.
4.100% Money back guarantee if not satisfied or doesn't work.
5.Immediate relief of pain and healing process

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ASIN : B00UFJIK94