I tried it for a month or so and didn't really notice too much. I would breath out in fresh air though and some pain would be on my lower front teeth! I stopped it and that mainly went away shortly after. It is almost as if it did something to enamel or similar to a cavity.

In Sanskrit, tulsi means literally "the incomparable one" and has been revered since ancient times. Tulsi, the holy basil, is said to have grown at the site of Christ’s crucifixion and is associated with St. Basil’s feast.