Momentum98

Can this product be rubbed into gums and left on overnight to help with gum recession and/or tartar? Also, where on this product and the expiration date be found? Thank you.

A wonderful formula to use in lieu of toothpaste, mouthwash, breath freshener, or mints! Regular use promotes healthy oral hygiene. Add one to two drops to toothpaste, dental floss, or oil pulling routine. Prepared for Direct Application.
The shelf life is 2 years.