Unsure: Here in the US products pass stringent tests before going to market, not sure about where you live. There isn’t enough scientific evidence to determine whether or not bromelain is effective for any of its uses, Papain is also used in some toothpastes however, its whitening effect is minimal. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3573376/
Answered 5/1/2015
2.9k views
ADA Seal is the best: Always look for the ADA Seal whitening toothpaste to insure that the product has been objectively evaluated for safety and effectiveness. Good luck.
Answered 5/1/2015
2.9k views
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