Which Of These Kitchen Ingredients Are Safe And Effective For At Home Teeth Whitening?
Safe = Does not cause gum or tooth sensitivity, irritation or pain, does not damage tooth enamel.
Effective = Noticeably whiter teeth.
Please rate these ingredients:
1. Baking soda
2. Lemon juice
3. Vinegar
4. Strawberries
5. Orange peel
6. Salt
7. A combination of the above?
8. Other?